Home / 2,954.28-4,073.10-2,421.18

Finding the Fourth Proportional to 2,954.28, 4,073.10 and 2,421.18

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Solution

The fourth proportional to 2,954.28, 4,073.10 and 2,421.18 is: 3,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.28 : 4,073.10 = 2,421.18 : x
  2. Step 2: Convert to fraction form
    2,954.28/4,073.10 = 2,421.18/x
  3. Step 3: Cross multiply
    2,954.28x = 4,073.10 × 2,421.18
  4. Step 4: Simplify right side
    2,954.28x = 9,861,708.26
  5. Step 5: Solve for x
    x = 9,861,708.26/2,954.28
  6. Step 6: Final answer
    x = 3,338.11

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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.