Home / 1,560.43-2,151.24-1,246.75

Finding the Fourth Proportional to 1,560.43, 2,151.24 and 1,246.75

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Solution

The fourth proportional to 1,560.43, 2,151.24 and 1,246.75 is: 1,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.43 : 2,151.24 = 1,246.75 : x
  2. Step 2: Convert to fraction form
    1,560.43/2,151.24 = 1,246.75/x
  3. Step 3: Cross multiply
    1,560.43x = 2,151.24 × 1,246.75
  4. Step 4: Simplify right side
    1,560.43x = 2,682,058.47
  5. Step 5: Solve for x
    x = 2,682,058.47/1,560.43
  6. Step 6: Final answer
    x = 1,718.79

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,561.43, 2,152.62 and 1,247.75
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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.