Home / 1,358.30-2,037.56-384.41

Finding the Fourth Proportional to 1,358.30, 2,037.56 and 384.41

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Solution

The fourth proportional to 1,358.30, 2,037.56 and 384.41 is: 576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.30 : 2,037.56 = 384.41 : x
  2. Step 2: Convert to fraction form
    1,358.30/2,037.56 = 384.41/x
  3. Step 3: Cross multiply
    1,358.30x = 2,037.56 × 384.41
  4. Step 4: Simplify right side
    1,358.30x = 783,250.15
  5. Step 5: Solve for x
    x = 783,250.15/1,358.30
  6. Step 6: Final answer
    x = 576.64

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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.