Home / 1,691.30-2,325.03-1,454.38

Finding the Fourth Proportional to 1,691.30, 2,325.03 and 1,454.38

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Solution

The fourth proportional to 1,691.30, 2,325.03 and 1,454.38 is: 1,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691.30 : 2,325.03 = 1,454.38 : x
  2. Step 2: Convert to fraction form
    1,691.30/2,325.03 = 1,454.38/x
  3. Step 3: Cross multiply
    1,691.30x = 2,325.03 × 1,454.38
  4. Step 4: Simplify right side
    1,691.30x = 3,381,477.13
  5. Step 5: Solve for x
    x = 3,381,477.13/1,691.30
  6. Step 6: Final answer
    x = 1,999.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.