Home / 3,078.20-4,248.33-1,752.02

Finding the Fourth Proportional to 3,078.20, 4,248.33 and 1,752.02

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Solution

The fourth proportional to 3,078.20, 4,248.33 and 1,752.02 is: 2,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.20 : 4,248.33 = 1,752.02 : x
  2. Step 2: Convert to fraction form
    3,078.20/4,248.33 = 1,752.02/x
  3. Step 3: Cross multiply
    3,078.20x = 4,248.33 × 1,752.02
  4. Step 4: Simplify right side
    3,078.20x = 7,443,169.75
  5. Step 5: Solve for x
    x = 7,443,169.75/3,078.20
  6. Step 6: Final answer
    x = 2,418.03

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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.