Home / 3,078.27-4,248.02-1,752.05

Finding the Fourth Proportional to 3,078.27, 4,248.02 and 1,752.05

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Solution

The fourth proportional to 3,078.27, 4,248.02 and 1,752.05 is: 2,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.27 : 4,248.02 = 1,752.05 : x
  2. Step 2: Convert to fraction form
    3,078.27/4,248.02 = 1,752.05/x
  3. Step 3: Cross multiply
    3,078.27x = 4,248.02 × 1,752.05
  4. Step 4: Simplify right side
    3,078.27x = 7,442,758.44
  5. Step 5: Solve for x
    x = 7,442,758.44/3,078.27
  6. Step 6: Final answer
    x = 2,417.84

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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.