Home / 3,510.24-5,264.90-1,318.66

Finding the Fourth Proportional to 3,510.24, 5,264.90 and 1,318.66

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Solution

The fourth proportional to 3,510.24, 5,264.90 and 1,318.66 is: 1,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.24 : 5,264.90 = 1,318.66 : x
  2. Step 2: Convert to fraction form
    3,510.24/5,264.90 = 1,318.66/x
  3. Step 3: Cross multiply
    3,510.24x = 5,264.90 × 1,318.66
  4. Step 4: Simplify right side
    3,510.24x = 6,942,613.03
  5. Step 5: Solve for x
    x = 6,942,613.03/3,510.24
  6. Step 6: Final answer
    x = 1,977.82

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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.