Home / 3,740.16-5,611.20-1,143.09

Finding the Fourth Proportional to 3,740.16, 5,611.20 and 1,143.09

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Solution

The fourth proportional to 3,740.16, 5,611.20 and 1,143.09 is: 1,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.16 : 5,611.20 = 1,143.09 : x
  2. Step 2: Convert to fraction form
    3,740.16/5,611.20 = 1,143.09/x
  3. Step 3: Cross multiply
    3,740.16x = 5,611.20 × 1,143.09
  4. Step 4: Simplify right side
    3,740.16x = 6,414,106.61
  5. Step 5: Solve for x
    x = 6,414,106.61/3,740.16
  6. Step 6: Final answer
    x = 1,714.93

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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.