Home / 1,358.07-2,037.15-433.76

Finding the Fourth Proportional to 1,358.07, 2,037.15 and 433.76

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Solution

The fourth proportional to 1,358.07, 2,037.15 and 433.76 is: 650.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358.07 : 2,037.15 = 433.76 : x
  2. Step 2: Convert to fraction form
    1,358.07/2,037.15 = 433.76/x
  3. Step 3: Cross multiply
    1,358.07x = 2,037.15 × 433.76
  4. Step 4: Simplify right side
    1,358.07x = 883,624.00
  5. Step 5: Solve for x
    x = 883,624.00/1,358.07
  6. Step 6: Final answer
    x = 650.65

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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.