Home / 3,543.04-5,314.64-1,077.76

Finding the Fourth Proportional to 3,543.04, 5,314.64 and 1,077.76

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Solution

The fourth proportional to 3,543.04, 5,314.64 and 1,077.76 is: 1,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.04 : 5,314.64 = 1,077.76 : x
  2. Step 2: Convert to fraction form
    3,543.04/5,314.64 = 1,077.76/x
  3. Step 3: Cross multiply
    3,543.04x = 5,314.64 × 1,077.76
  4. Step 4: Simplify right side
    3,543.04x = 5,727,906.41
  5. Step 5: Solve for x
    x = 5,727,906.41/3,543.04
  6. Step 6: Final answer
    x = 1,616.66

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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.