Home / 3,439.38-4,746.33-1,867.49

Finding the Fourth Proportional to 3,439.38, 4,746.33 and 1,867.49

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Solution

The fourth proportional to 3,439.38, 4,746.33 and 1,867.49 is: 2,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.38 : 4,746.33 = 1,867.49 : x
  2. Step 2: Convert to fraction form
    3,439.38/4,746.33 = 1,867.49/x
  3. Step 3: Cross multiply
    3,439.38x = 4,746.33 × 1,867.49
  4. Step 4: Simplify right side
    3,439.38x = 8,863,700.08
  5. Step 5: Solve for x
    x = 8,863,700.08/3,439.38
  6. Step 6: Final answer
    x = 2,577.12

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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.