Home / 1,650.12-2,278.26-1,259.16

Finding the Fourth Proportional to 1,650.12, 2,278.26 and 1,259.16

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Solution

The fourth proportional to 1,650.12, 2,278.26 and 1,259.16 is: 1,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.12 : 2,278.26 = 1,259.16 : x
  2. Step 2: Convert to fraction form
    1,650.12/2,278.26 = 1,259.16/x
  3. Step 3: Cross multiply
    1,650.12x = 2,278.26 × 1,259.16
  4. Step 4: Simplify right side
    1,650.12x = 2,868,693.86
  5. Step 5: Solve for x
    x = 2,868,693.86/1,650.12
  6. Step 6: Final answer
    x = 1,738.48

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,651.12, 2,279.64 and 1,260.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.