Home / 3,239.61-4,860.45-1,158.20

Finding the Fourth Proportional to 3,239.61, 4,860.45 and 1,158.20

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Solution

The fourth proportional to 3,239.61, 4,860.45 and 1,158.20 is: 1,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.61 : 4,860.45 = 1,158.20 : x
  2. Step 2: Convert to fraction form
    3,239.61/4,860.45 = 1,158.20/x
  3. Step 3: Cross multiply
    3,239.61x = 4,860.45 × 1,158.20
  4. Step 4: Simplify right side
    3,239.61x = 5,629,343.10
  5. Step 5: Solve for x
    x = 5,629,343.10/3,239.61
  6. Step 6: Final answer
    x = 1,737.66

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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.