Home / 1,358.18-2,037.45-384.26

Finding the Fourth Proportional to 1,358.18, 2,037.45 and 384.26

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Solution

The fourth proportional to 1,358.18, 2,037.45 and 384.26 is: 576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.18 : 2,037.45 = 384.26 : x
  2. Step 2: Convert to fraction form
    1,358.18/2,037.45 = 384.26/x
  3. Step 3: Cross multiply
    1,358.18x = 2,037.45 × 384.26
  4. Step 4: Simplify right side
    1,358.18x = 782,910.54
  5. Step 5: Solve for x
    x = 782,910.54/1,358.18
  6. Step 6: Final answer
    x = 576.44

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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.