Home / 2,787.99-4,176.57-1,551.66

Finding the Fourth Proportional to 2,787.99, 4,176.57 and 1,551.66

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Solution

The fourth proportional to 2,787.99, 4,176.57 and 1,551.66 is: 2,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.99 : 4,176.57 = 1,551.66 : x
  2. Step 2: Convert to fraction form
    2,787.99/4,176.57 = 1,551.66/x
  3. Step 3: Cross multiply
    2,787.99x = 4,176.57 × 1,551.66
  4. Step 4: Simplify right side
    2,787.99x = 6,480,616.61
  5. Step 5: Solve for x
    x = 6,480,616.61/2,787.99
  6. Step 6: Final answer
    x = 2,324.48

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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.