Home / 3,411.25-4,707.70-2,274.95

Finding the Fourth Proportional to 3,411.25, 4,707.70 and 2,274.95

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Solution

The fourth proportional to 3,411.25, 4,707.70 and 2,274.95 is: 3,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.25 : 4,707.70 = 2,274.95 : x
  2. Step 2: Convert to fraction form
    3,411.25/4,707.70 = 2,274.95/x
  3. Step 3: Cross multiply
    3,411.25x = 4,707.70 × 2,274.95
  4. Step 4: Simplify right side
    3,411.25x = 10,709,788.20
  5. Step 5: Solve for x
    x = 10,709,788.20/3,411.25
  6. Step 6: Final answer
    x = 3,139.55

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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.