Home / 3,610.16-5,411.24-1,660.40

Finding the Fourth Proportional to 3,610.16, 5,411.24 and 1,660.40

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Solution

The fourth proportional to 3,610.16, 5,411.24 and 1,660.40 is: 2,488.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.16 : 5,411.24 = 1,660.40 : x
  2. Step 2: Convert to fraction form
    3,610.16/5,411.24 = 1,660.40/x
  3. Step 3: Cross multiply
    3,610.16x = 5,411.24 × 1,660.40
  4. Step 4: Simplify right side
    3,610.16x = 8,984,822.90
  5. Step 5: Solve for x
    x = 8,984,822.90/3,610.16
  6. Step 6: Final answer
    x = 2,488.76

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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.