Home / 3,031.04-4,543.81-1,082.79

Finding the Fourth Proportional to 3,031.04, 4,543.81 and 1,082.79

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Solution

The fourth proportional to 3,031.04, 4,543.81 and 1,082.79 is: 1,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.04 : 4,543.81 = 1,082.79 : x
  2. Step 2: Convert to fraction form
    3,031.04/4,543.81 = 1,082.79/x
  3. Step 3: Cross multiply
    3,031.04x = 4,543.81 × 1,082.79
  4. Step 4: Simplify right side
    3,031.04x = 4,919,989.32
  5. Step 5: Solve for x
    x = 4,919,989.32/3,031.04
  6. Step 6: Final answer
    x = 1,623.20

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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.