Home / 3,233.28-4,460.40-2,113.80

Finding the Fourth Proportional to 3,233.28, 4,460.40 and 2,113.80

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Solution

The fourth proportional to 3,233.28, 4,460.40 and 2,113.80 is: 2,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,233.28 : 4,460.40 = 2,113.80 : x
  2. Step 2: Convert to fraction form
    3,233.28/4,460.40 = 2,113.80/x
  3. Step 3: Cross multiply
    3,233.28x = 4,460.40 × 2,113.80
  4. Step 4: Simplify right side
    3,233.28x = 9,428,393.52
  5. Step 5: Solve for x
    x = 9,428,393.52/3,233.28
  6. Step 6: Final answer
    x = 2,916.05

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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.