Home / 1,358.32-2,037.50-384.40

Finding the Fourth Proportional to 1,358.32, 2,037.50 and 384.40

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Solution

The fourth proportional to 1,358.32, 2,037.50 and 384.40 is: 576.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.32 : 2,037.50 = 384.40 : x
  2. Step 2: Convert to fraction form
    1,358.32/2,037.50 = 384.40/x
  3. Step 3: Cross multiply
    1,358.32x = 2,037.50 × 384.40
  4. Step 4: Simplify right side
    1,358.32x = 783,215
  5. Step 5: Solve for x
    x = 783,215/1,358.32
  6. Step 6: Final answer
    x = 576.61

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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.