Home / 1,414.36-2,120.98-1,023.17

Finding the Fourth Proportional to 1,414.36, 2,120.98 and 1,023.17

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Solution

The fourth proportional to 1,414.36, 2,120.98 and 1,023.17 is: 1,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.36 : 2,120.98 = 1,023.17 : x
  2. Step 2: Convert to fraction form
    1,414.36/2,120.98 = 1,023.17/x
  3. Step 3: Cross multiply
    1,414.36x = 2,120.98 × 1,023.17
  4. Step 4: Simplify right side
    1,414.36x = 2,170,123.11
  5. Step 5: Solve for x
    x = 2,170,123.11/1,414.36
  6. Step 6: Final answer
    x = 1,534.35

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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.