Home / 1,332.19-1,996.80-714.34

Finding the Fourth Proportional to 1,332.19, 1,996.80 and 714.34

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Solution

The fourth proportional to 1,332.19, 1,996.80 and 714.34 is: 1,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.19 : 1,996.80 = 714.34 : x
  2. Step 2: Convert to fraction form
    1,332.19/1,996.80 = 714.34/x
  3. Step 3: Cross multiply
    1,332.19x = 1,996.80 × 714.34
  4. Step 4: Simplify right side
    1,332.19x = 1,426,394.11
  5. Step 5: Solve for x
    x = 1,426,394.11/1,332.19
  6. Step 6: Final answer
    x = 1,070.71

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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.