Home / 3,275.72-4,521.14-1,949.16

Finding the Fourth Proportional to 3,275.72, 4,521.14 and 1,949.16

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Solution

The fourth proportional to 3,275.72, 4,521.14 and 1,949.16 is: 2,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.72 : 4,521.14 = 1,949.16 : x
  2. Step 2: Convert to fraction form
    3,275.72/4,521.14 = 1,949.16/x
  3. Step 3: Cross multiply
    3,275.72x = 4,521.14 × 1,949.16
  4. Step 4: Simplify right side
    3,275.72x = 8,812,425.24
  5. Step 5: Solve for x
    x = 8,812,425.24/3,275.72
  6. Step 6: Final answer
    x = 2,690.23

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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.