Home / 3,390.10-5,085.16-2,227.46

Finding the Fourth Proportional to 3,390.10, 5,085.16 and 2,227.46

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Solution

The fourth proportional to 3,390.10, 5,085.16 and 2,227.46 is: 3,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.10 : 5,085.16 = 2,227.46 : x
  2. Step 2: Convert to fraction form
    3,390.10/5,085.16 = 2,227.46/x
  3. Step 3: Cross multiply
    3,390.10x = 5,085.16 × 2,227.46
  4. Step 4: Simplify right side
    3,390.10x = 11,326,990.49
  5. Step 5: Solve for x
    x = 11,326,990.49/3,390.10
  6. Step 6: Final answer
    x = 3,341.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.