Home / 1,488.92-2,052.14-1,068.12

Finding the Fourth Proportional to 1,488.92, 2,052.14 and 1,068.12

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Solution

The fourth proportional to 1,488.92, 2,052.14 and 1,068.12 is: 1,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.92 : 2,052.14 = 1,068.12 : x
  2. Step 2: Convert to fraction form
    1,488.92/2,052.14 = 1,068.12/x
  3. Step 3: Cross multiply
    1,488.92x = 2,052.14 × 1,068.12
  4. Step 4: Simplify right side
    1,488.92x = 2,191,926.44
  5. Step 5: Solve for x
    x = 2,191,926.44/1,488.92
  6. Step 6: Final answer
    x = 1,472.16

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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.