Home / 3,957.53-5,461.33-2,189.10

Finding the Fourth Proportional to 3,957.53, 5,461.33 and 2,189.10

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Solution

The fourth proportional to 3,957.53, 5,461.33 and 2,189.10 is: 3,020.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.53 : 5,461.33 = 2,189.10 : x
  2. Step 2: Convert to fraction form
    3,957.53/5,461.33 = 2,189.10/x
  3. Step 3: Cross multiply
    3,957.53x = 5,461.33 × 2,189.10
  4. Step 4: Simplify right side
    3,957.53x = 11,955,370.20
  5. Step 5: Solve for x
    x = 11,955,370.20/3,957.53
  6. Step 6: Final answer
    x = 3,020.92

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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.