Home / 3,184.53-4,778.15-1,542.30

Finding the Fourth Proportional to 3,184.53, 4,778.15 and 1,542.30

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Solution

The fourth proportional to 3,184.53, 4,778.15 and 1,542.30 is: 2,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.53 : 4,778.15 = 1,542.30 : x
  2. Step 2: Convert to fraction form
    3,184.53/4,778.15 = 1,542.30/x
  3. Step 3: Cross multiply
    3,184.53x = 4,778.15 × 1,542.30
  4. Step 4: Simplify right side
    3,184.53x = 7,369,333.03
  5. Step 5: Solve for x
    x = 7,369,333.03/3,184.53
  6. Step 6: Final answer
    x = 2,314.10

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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.