Home / 2,543.80-3,510.70-1,549.14

Finding the Fourth Proportional to 2,543.80, 3,510.70 and 1,549.14

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Solution

The fourth proportional to 2,543.80, 3,510.70 and 1,549.14 is: 2,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.80 : 3,510.70 = 1,549.14 : x
  2. Step 2: Convert to fraction form
    2,543.80/3,510.70 = 1,549.14/x
  3. Step 3: Cross multiply
    2,543.80x = 3,510.70 × 1,549.14
  4. Step 4: Simplify right side
    2,543.80x = 5,438,565.80
  5. Step 5: Solve for x
    x = 5,438,565.80/2,543.80
  6. Step 6: Final answer
    x = 2,137.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.