Home / 3,294.34-4,545.93-2,115.25

Finding the Fourth Proportional to 3,294.34, 4,545.93 and 2,115.25

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Solution

The fourth proportional to 3,294.34, 4,545.93 and 2,115.25 is: 2,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.34 : 4,545.93 = 2,115.25 : x
  2. Step 2: Convert to fraction form
    3,294.34/4,545.93 = 2,115.25/x
  3. Step 3: Cross multiply
    3,294.34x = 4,545.93 × 2,115.25
  4. Step 4: Simplify right side
    3,294.34x = 9,615,778.43
  5. Step 5: Solve for x
    x = 9,615,778.43/3,294.34
  6. Step 6: Final answer
    x = 2,918.88

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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.