Home / 1,053.25-1,580.28-404.04

Finding the Fourth Proportional to 1,053.25, 1,580.28 and 404.04

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Solution

The fourth proportional to 1,053.25, 1,580.28 and 404.04 is: 606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.25 : 1,580.28 = 404.04 : x
  2. Step 2: Convert to fraction form
    1,053.25/1,580.28 = 404.04/x
  3. Step 3: Cross multiply
    1,053.25x = 1,580.28 × 404.04
  4. Step 4: Simplify right side
    1,053.25x = 638,496.33
  5. Step 5: Solve for x
    x = 638,496.33/1,053.25
  6. Step 6: Final answer
    x = 606.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.