Home / 2,543.04-3,810.88-1,243.04

Finding the Fourth Proportional to 2,543.04, 3,810.88 and 1,243.04

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Solution

The fourth proportional to 2,543.04, 3,810.88 and 1,243.04 is: 1,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.04 : 3,810.88 = 1,243.04 : x
  2. Step 2: Convert to fraction form
    2,543.04/3,810.88 = 1,243.04/x
  3. Step 3: Cross multiply
    2,543.04x = 3,810.88 × 1,243.04
  4. Step 4: Simplify right side
    2,543.04x = 4,737,076.28
  5. Step 5: Solve for x
    x = 4,737,076.28/2,543.04
  6. Step 6: Final answer
    x = 1,862.76

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1.5x scale

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.