Home / 3,541.38-5,312.06-1,686.87

Finding the Fourth Proportional to 3,541.38, 5,312.06 and 1,686.87

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Solution

The fourth proportional to 3,541.38, 5,312.06 and 1,686.87 is: 2,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.38 : 5,312.06 = 1,686.87 : x
  2. Step 2: Convert to fraction form
    3,541.38/5,312.06 = 1,686.87/x
  3. Step 3: Cross multiply
    3,541.38x = 5,312.06 × 1,686.87
  4. Step 4: Simplify right side
    3,541.38x = 8,960,754.65
  5. Step 5: Solve for x
    x = 8,960,754.65/3,541.38
  6. Step 6: Final answer
    x = 2,530.30

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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.