Home / 3,781.20-5,670.18-1,184.34

Finding the Fourth Proportional to 3,781.20, 5,670.18 and 1,184.34

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Solution

The fourth proportional to 3,781.20, 5,670.18 and 1,184.34 is: 1,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.20 : 5,670.18 = 1,184.34 : x
  2. Step 2: Convert to fraction form
    3,781.20/5,670.18 = 1,184.34/x
  3. Step 3: Cross multiply
    3,781.20x = 5,670.18 × 1,184.34
  4. Step 4: Simplify right side
    3,781.20x = 6,715,420.98
  5. Step 5: Solve for x
    x = 6,715,420.98/3,781.20
  6. Step 6: Final answer
    x = 1,776.00

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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.