Home / 3,962.08-5,942.40-1,188.10

Finding the Fourth Proportional to 3,962.08, 5,942.40 and 1,188.10

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Solution

The fourth proportional to 3,962.08, 5,942.40 and 1,188.10 is: 1,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.08 : 5,942.40 = 1,188.10 : x
  2. Step 2: Convert to fraction form
    3,962.08/5,942.40 = 1,188.10/x
  3. Step 3: Cross multiply
    3,962.08x = 5,942.40 × 1,188.10
  4. Step 4: Simplify right side
    3,962.08x = 7,060,165.44
  5. Step 5: Solve for x
    x = 7,060,165.44/3,962.08
  6. Step 6: Final answer
    x = 1,781.93

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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.