Home / 2,677.16-4,014.94-921.87

Finding the Fourth Proportional to 2,677.16, 4,014.94 and 921.87

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Solution

The fourth proportional to 2,677.16, 4,014.94 and 921.87 is: 1,382.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.16 : 4,014.94 = 921.87 : x
  2. Step 2: Convert to fraction form
    2,677.16/4,014.94 = 921.87/x
  3. Step 3: Cross multiply
    2,677.16x = 4,014.94 × 921.87
  4. Step 4: Simplify right side
    2,677.16x = 3,701,252.74
  5. Step 5: Solve for x
    x = 3,701,252.74/2,677.16
  6. Step 6: Final answer
    x = 1,382.53

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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.