Home / 3,520.38-4,858.12-1,948.57

Finding the Fourth Proportional to 3,520.38, 4,858.12 and 1,948.57

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Solution

The fourth proportional to 3,520.38, 4,858.12 and 1,948.57 is: 2,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.38 : 4,858.12 = 1,948.57 : x
  2. Step 2: Convert to fraction form
    3,520.38/4,858.12 = 1,948.57/x
  3. Step 3: Cross multiply
    3,520.38x = 4,858.12 × 1,948.57
  4. Step 4: Simplify right side
    3,520.38x = 9,466,382.02
  5. Step 5: Solve for x
    x = 9,466,382.02/3,520.38
  6. Step 6: Final answer
    x = 2,689.03

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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.