Home / 1,445.07-2,167.56-471.17

Finding the Fourth Proportional to 1,445.07, 2,167.56 and 471.17

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Solution

The fourth proportional to 1,445.07, 2,167.56 and 471.17 is: 706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.07 : 2,167.56 = 471.17 : x
  2. Step 2: Convert to fraction form
    1,445.07/2,167.56 = 471.17/x
  3. Step 3: Cross multiply
    1,445.07x = 2,167.56 × 471.17
  4. Step 4: Simplify right side
    1,445.07x = 1,021,294.66
  5. Step 5: Solve for x
    x = 1,021,294.66/1,445.07
  6. Step 6: Final answer
    x = 706.74

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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.