Home / 3,207.20-4,427.06-2,214.95

Finding the Fourth Proportional to 3,207.20, 4,427.06 and 2,214.95

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Solution

The fourth proportional to 3,207.20, 4,427.06 and 2,214.95 is: 3,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.20 : 4,427.06 = 2,214.95 : x
  2. Step 2: Convert to fraction form
    3,207.20/4,427.06 = 2,214.95/x
  3. Step 3: Cross multiply
    3,207.20x = 4,427.06 × 2,214.95
  4. Step 4: Simplify right side
    3,207.20x = 9,805,683.34
  5. Step 5: Solve for x
    x = 9,805,683.34/3,207.20
  6. Step 6: Final answer
    x = 3,057.40

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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.