Home / 3,934.71-5,429.70-2,256.04

Finding the Fourth Proportional to 3,934.71, 5,429.70 and 2,256.04

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Solution

The fourth proportional to 3,934.71, 5,429.70 and 2,256.04 is: 3,113.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.71 : 5,429.70 = 2,256.04 : x
  2. Step 2: Convert to fraction form
    3,934.71/5,429.70 = 2,256.04/x
  3. Step 3: Cross multiply
    3,934.71x = 5,429.70 × 2,256.04
  4. Step 4: Simplify right side
    3,934.71x = 12,249,620.39
  5. Step 5: Solve for x
    x = 12,249,620.39/3,934.71
  6. Step 6: Final answer
    x = 3,113.22

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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.