Home / 2,737.88-3,778.28-1,478.94

Finding the Fourth Proportional to 2,737.88, 3,778.28 and 1,478.94

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Solution

The fourth proportional to 2,737.88, 3,778.28 and 1,478.94 is: 2,040.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.88 : 3,778.28 = 1,478.94 : x
  2. Step 2: Convert to fraction form
    2,737.88/3,778.28 = 1,478.94/x
  3. Step 3: Cross multiply
    2,737.88x = 3,778.28 × 1,478.94
  4. Step 4: Simplify right side
    2,737.88x = 5,587,823.14
  5. Step 5: Solve for x
    x = 5,587,823.14/2,737.88
  6. Step 6: Final answer
    x = 2,040.93

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1.5x scale

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.