Home / 3,543.13-4,889.50-1,949.88

Finding the Fourth Proportional to 3,543.13, 4,889.50 and 1,949.88

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Solution

The fourth proportional to 3,543.13, 4,889.50 and 1,949.88 is: 2,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.13 : 4,889.50 = 1,949.88 : x
  2. Step 2: Convert to fraction form
    3,543.13/4,889.50 = 1,949.88/x
  3. Step 3: Cross multiply
    3,543.13x = 4,889.50 × 1,949.88
  4. Step 4: Simplify right side
    3,543.13x = 9,533,938.26
  5. Step 5: Solve for x
    x = 9,533,938.26/3,543.13
  6. Step 6: Final answer
    x = 2,690.82

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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.