Home / 4,262.28-5,881.80-2,688.87

Finding the Fourth Proportional to 4,262.28, 5,881.80 and 2,688.87

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Solution

The fourth proportional to 4,262.28, 5,881.80 and 2,688.87 is: 3,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.28 : 5,881.80 = 2,688.87 : x
  2. Step 2: Convert to fraction form
    4,262.28/5,881.80 = 2,688.87/x
  3. Step 3: Cross multiply
    4,262.28x = 5,881.80 × 2,688.87
  4. Step 4: Simplify right side
    4,262.28x = 15,815,395.57
  5. Step 5: Solve for x
    x = 15,815,395.57/4,262.28
  6. Step 6: Final answer
    x = 3,710.55

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Why These Related Problems?

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