Home / 1,473.53-2,031.68-1,079.87

Finding the Fourth Proportional to 1,473.53, 2,031.68 and 1,079.87

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Solution

The fourth proportional to 1,473.53, 2,031.68 and 1,079.87 is: 1,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.53 : 2,031.68 = 1,079.87 : x
  2. Step 2: Convert to fraction form
    1,473.53/2,031.68 = 1,079.87/x
  3. Step 3: Cross multiply
    1,473.53x = 2,031.68 × 1,079.87
  4. Step 4: Simplify right side
    1,473.53x = 2,193,942.82
  5. Step 5: Solve for x
    x = 2,193,942.82/1,473.53
  6. Step 6: Final answer
    x = 1,488.91

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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.