Home / 3,228.61-4,839.84-1,377.18

Finding the Fourth Proportional to 3,228.61, 4,839.84 and 1,377.18

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Solution

The fourth proportional to 3,228.61, 4,839.84 and 1,377.18 is: 2,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.61 : 4,839.84 = 1,377.18 : x
  2. Step 2: Convert to fraction form
    3,228.61/4,839.84 = 1,377.18/x
  3. Step 3: Cross multiply
    3,228.61x = 4,839.84 × 1,377.18
  4. Step 4: Simplify right side
    3,228.61x = 6,665,330.85
  5. Step 5: Solve for x
    x = 6,665,330.85/3,228.61
  6. Step 6: Final answer
    x = 2,064.46

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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.