Home / 2,439.14-3,658.68-1,053.45

Finding the Fourth Proportional to 2,439.14, 3,658.68 and 1,053.45

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Solution

The fourth proportional to 2,439.14, 3,658.68 and 1,053.45 is: 1,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.14 : 3,658.68 = 1,053.45 : x
  2. Step 2: Convert to fraction form
    2,439.14/3,658.68 = 1,053.45/x
  3. Step 3: Cross multiply
    2,439.14x = 3,658.68 × 1,053.45
  4. Step 4: Simplify right side
    2,439.14x = 3,854,236.45
  5. Step 5: Solve for x
    x = 3,854,236.45/2,439.14
  6. Step 6: Final answer
    x = 1,580.16

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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.