Home / 1,417.52-2,123.04-1,274.96

Finding the Fourth Proportional to 1,417.52, 2,123.04 and 1,274.96

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Solution

The fourth proportional to 1,417.52, 2,123.04 and 1,274.96 is: 1,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417.52 : 2,123.04 = 1,274.96 : x
  2. Step 2: Convert to fraction form
    1,417.52/2,123.04 = 1,274.96/x
  3. Step 3: Cross multiply
    1,417.52x = 2,123.04 × 1,274.96
  4. Step 4: Simplify right side
    1,417.52x = 2,706,791.08
  5. Step 5: Solve for x
    x = 2,706,791.08/1,417.52
  6. Step 6: Final answer
    x = 1,909.53

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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.