Home / 2,445.16-3,666.36-801.56

Finding the Fourth Proportional to 2,445.16, 3,666.36 and 801.56

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Solution

The fourth proportional to 2,445.16, 3,666.36 and 801.56 is: 1,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.16 : 3,666.36 = 801.56 : x
  2. Step 2: Convert to fraction form
    2,445.16/3,666.36 = 801.56/x
  3. Step 3: Cross multiply
    2,445.16x = 3,666.36 × 801.56
  4. Step 4: Simplify right side
    2,445.16x = 2,938,807.52
  5. Step 5: Solve for x
    x = 2,938,807.52/2,445.16
  6. Step 6: Final answer
    x = 1,201.89

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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.