Home / 1,472.14-2,194.88-1,434.25

Finding the Fourth Proportional to 1,472.14, 2,194.88 and 1,434.25

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Solution

The fourth proportional to 1,472.14, 2,194.88 and 1,434.25 is: 2,138.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.14 : 2,194.88 = 1,434.25 : x
  2. Step 2: Convert to fraction form
    1,472.14/2,194.88 = 1,434.25/x
  3. Step 3: Cross multiply
    1,472.14x = 2,194.88 × 1,434.25
  4. Step 4: Simplify right side
    1,472.14x = 3,148,006.64
  5. Step 5: Solve for x
    x = 3,148,006.64/1,472.14
  6. Step 6: Final answer
    x = 2,138.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.