Home / 4,176.86-5,761.46-2,686.72

Finding the Fourth Proportional to 4,176.86, 5,761.46 and 2,686.72

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Solution

The fourth proportional to 4,176.86, 5,761.46 and 2,686.72 is: 3,706.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.86 : 5,761.46 = 2,686.72 : x
  2. Step 2: Convert to fraction form
    4,176.86/5,761.46 = 2,686.72/x
  3. Step 3: Cross multiply
    4,176.86x = 5,761.46 × 2,686.72
  4. Step 4: Simplify right side
    4,176.86x = 15,479,429.81
  5. Step 5: Solve for x
    x = 15,479,429.81/4,176.86
  6. Step 6: Final answer
    x = 3,706.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.