Home / 1,669.26-2,503.17-514.38

Finding the Fourth Proportional to 1,669.26, 2,503.17 and 514.38

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Solution

The fourth proportional to 1,669.26, 2,503.17 and 514.38 is: 771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669.26 : 2,503.17 = 514.38 : x
  2. Step 2: Convert to fraction form
    1,669.26/2,503.17 = 514.38/x
  3. Step 3: Cross multiply
    1,669.26x = 2,503.17 × 514.38
  4. Step 4: Simplify right side
    1,669.26x = 1,287,580.58
  5. Step 5: Solve for x
    x = 1,287,580.58/1,669.26
  6. Step 6: Final answer
    x = 771.35

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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.