Home / 3,650.61-5,038.17-2,078.79

Finding the Fourth Proportional to 3,650.61, 5,038.17 and 2,078.79

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Solution

The fourth proportional to 3,650.61, 5,038.17 and 2,078.79 is: 2,868.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.61 : 5,038.17 = 2,078.79 : x
  2. Step 2: Convert to fraction form
    3,650.61/5,038.17 = 2,078.79/x
  3. Step 3: Cross multiply
    3,650.61x = 5,038.17 × 2,078.79
  4. Step 4: Simplify right side
    3,650.61x = 10,473,297.41
  5. Step 5: Solve for x
    x = 10,473,297.41/3,650.61
  6. Step 6: Final answer
    x = 2,868.92

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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.