Home / 1,608.92-2,225.58-1,346.12

Finding the Fourth Proportional to 1,608.92, 2,225.58 and 1,346.12

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Solution

The fourth proportional to 1,608.92, 2,225.58 and 1,346.12 is: 1,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.92 : 2,225.58 = 1,346.12 : x
  2. Step 2: Convert to fraction form
    1,608.92/2,225.58 = 1,346.12/x
  3. Step 3: Cross multiply
    1,608.92x = 2,225.58 × 1,346.12
  4. Step 4: Simplify right side
    1,608.92x = 2,995,897.75
  5. Step 5: Solve for x
    x = 2,995,897.75/1,608.92
  6. Step 6: Final answer
    x = 1,862.06

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Half scale
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Double scale
Find fourth proportional to 1,609.92, 2,226.96 and 1,347.12
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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.