Home / 3,301.20-4,957.20-2,210.40

Finding the Fourth Proportional to 3,301.20, 4,957.20 and 2,210.40

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Solution

The fourth proportional to 3,301.20, 4,957.20 and 2,210.40 is: 3,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.20 : 4,957.20 = 2,210.40 : x
  2. Step 2: Convert to fraction form
    3,301.20/4,957.20 = 2,210.40/x
  3. Step 3: Cross multiply
    3,301.20x = 4,957.20 × 2,210.40
  4. Step 4: Simplify right side
    3,301.20x = 10,957,394.88
  5. Step 5: Solve for x
    x = 10,957,394.88/3,301.20
  6. Step 6: Final answer
    x = 3,319.22

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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.