Home / 3,031.56-4,172.04-2,752.38

Finding the Fourth Proportional to 3,031.56, 4,172.04 and 2,752.38

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Solution

The fourth proportional to 3,031.56, 4,172.04 and 2,752.38 is: 3,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.56 : 4,172.04 = 2,752.38 : x
  2. Step 2: Convert to fraction form
    3,031.56/4,172.04 = 2,752.38/x
  3. Step 3: Cross multiply
    3,031.56x = 4,172.04 × 2,752.38
  4. Step 4: Simplify right side
    3,031.56x = 11,483,039.46
  5. Step 5: Solve for x
    x = 11,483,039.46/3,031.56
  6. Step 6: Final answer
    x = 3,787.83

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1.5x scale

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.