Home / 3,790.28-5,686.14-1,157.96

Finding the Fourth Proportional to 3,790.28, 5,686.14 and 1,157.96

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Solution

The fourth proportional to 3,790.28, 5,686.14 and 1,157.96 is: 1,737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.28 : 5,686.14 = 1,157.96 : x
  2. Step 2: Convert to fraction form
    3,790.28/5,686.14 = 1,157.96/x
  3. Step 3: Cross multiply
    3,790.28x = 5,686.14 × 1,157.96
  4. Step 4: Simplify right side
    3,790.28x = 6,584,322.67
  5. Step 5: Solve for x
    x = 6,584,322.67/3,790.28
  6. Step 6: Final answer
    x = 1,737.16

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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.