Home / 3,534.20-4,876.99-1,962.20

Finding the Fourth Proportional to 3,534.20, 4,876.99 and 1,962.20

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Solution

The fourth proportional to 3,534.20, 4,876.99 and 1,962.20 is: 2,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.20 : 4,876.99 = 1,962.20 : x
  2. Step 2: Convert to fraction form
    3,534.20/4,876.99 = 1,962.20/x
  3. Step 3: Cross multiply
    3,534.20x = 4,876.99 × 1,962.20
  4. Step 4: Simplify right side
    3,534.20x = 9,569,629.78
  5. Step 5: Solve for x
    x = 9,569,629.78/3,534.20
  6. Step 6: Final answer
    x = 2,707.72

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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.