Home / 2,445.30-3,666.69-801.45

Finding the Fourth Proportional to 2,445.30, 3,666.69 and 801.45

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Solution

The fourth proportional to 2,445.30, 3,666.69 and 801.45 is: 1,201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.30 : 3,666.69 = 801.45 : x
  2. Step 2: Convert to fraction form
    2,445.30/3,666.69 = 801.45/x
  3. Step 3: Cross multiply
    2,445.30x = 3,666.69 × 801.45
  4. Step 4: Simplify right side
    2,445.30x = 2,938,668.70
  5. Step 5: Solve for x
    x = 2,938,668.70/2,445.30
  6. Step 6: Final answer
    x = 1,201.76

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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.