Home / 3,013.46-4,519.11-1,281.50

Finding the Fourth Proportional to 3,013.46, 4,519.11 and 1,281.50

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Solution

The fourth proportional to 3,013.46, 4,519.11 and 1,281.50 is: 1,921.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.46 : 4,519.11 = 1,281.50 : x
  2. Step 2: Convert to fraction form
    3,013.46/4,519.11 = 1,281.50/x
  3. Step 3: Cross multiply
    3,013.46x = 4,519.11 × 1,281.50
  4. Step 4: Simplify right side
    3,013.46x = 5,791,239.47
  5. Step 5: Solve for x
    x = 5,791,239.47/3,013.46
  6. Step 6: Final answer
    x = 1,921.79

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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.