Home / 2,761.60-4,142.40-2,706.93

Finding the Fourth Proportional to 2,761.60, 4,142.40 and 2,706.93

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Solution

The fourth proportional to 2,761.60, 4,142.40 and 2,706.93 is: 4,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.60 : 4,142.40 = 2,706.93 : x
  2. Step 2: Convert to fraction form
    2,761.60/4,142.40 = 2,706.93/x
  3. Step 3: Cross multiply
    2,761.60x = 4,142.40 × 2,706.93
  4. Step 4: Simplify right side
    2,761.60x = 11,213,186.83
  5. Step 5: Solve for x
    x = 11,213,186.83/2,761.60
  6. Step 6: Final answer
    x = 4,060.40

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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.