Home / 3,931.16-5,896.20-1,333.76

Finding the Fourth Proportional to 3,931.16, 5,896.20 and 1,333.76

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Solution

The fourth proportional to 3,931.16, 5,896.20 and 1,333.76 is: 2,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.16 : 5,896.20 = 1,333.76 : x
  2. Step 2: Convert to fraction form
    3,931.16/5,896.20 = 1,333.76/x
  3. Step 3: Cross multiply
    3,931.16x = 5,896.20 × 1,333.76
  4. Step 4: Simplify right side
    3,931.16x = 7,864,115.71
  5. Step 5: Solve for x
    x = 7,864,115.71/3,931.16
  6. Step 6: Final answer
    x = 2,000.46

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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.