Home / 3,281.85-4,923.41-1,061.28

Finding the Fourth Proportional to 3,281.85, 4,923.41 and 1,061.28

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Solution

The fourth proportional to 3,281.85, 4,923.41 and 1,061.28 is: 1,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.85 : 4,923.41 = 1,061.28 : x
  2. Step 2: Convert to fraction form
    3,281.85/4,923.41 = 1,061.28/x
  3. Step 3: Cross multiply
    3,281.85x = 4,923.41 × 1,061.28
  4. Step 4: Simplify right side
    3,281.85x = 5,225,116.56
  5. Step 5: Solve for x
    x = 5,225,116.56/3,281.85
  6. Step 6: Final answer
    x = 1,592.13

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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.