Home / 1,526.52-2,101.68-1,357.68

Finding the Fourth Proportional to 1,526.52, 2,101.68 and 1,357.68

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Solution

The fourth proportional to 1,526.52, 2,101.68 and 1,357.68 is: 1,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.52 : 2,101.68 = 1,357.68 : x
  2. Step 2: Convert to fraction form
    1,526.52/2,101.68 = 1,357.68/x
  3. Step 3: Cross multiply
    1,526.52x = 2,101.68 × 1,357.68
  4. Step 4: Simplify right side
    1,526.52x = 2,853,408.90
  5. Step 5: Solve for x
    x = 2,853,408.90/1,526.52
  6. Step 6: Final answer
    x = 1,869.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.