Home / 2,445.15-3,666.36-801.57

Finding the Fourth Proportional to 2,445.15, 3,666.36 and 801.57

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Solution

The fourth proportional to 2,445.15, 3,666.36 and 801.57 is: 1,201.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.15 : 3,666.36 = 801.57 : x
  2. Step 2: Convert to fraction form
    2,445.15/3,666.36 = 801.57/x
  3. Step 3: Cross multiply
    2,445.15x = 3,666.36 × 801.57
  4. Step 4: Simplify right side
    2,445.15x = 2,938,844.19
  5. Step 5: Solve for x
    x = 2,938,844.19/2,445.15
  6. Step 6: Final answer
    x = 1,201.91

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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.