Home / 4,122.42-5,689.22-2,329.28

Finding the Fourth Proportional to 4,122.42, 5,689.22 and 2,329.28

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Solution

The fourth proportional to 4,122.42, 5,689.22 and 2,329.28 is: 3,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.42 : 5,689.22 = 2,329.28 : x
  2. Step 2: Convert to fraction form
    4,122.42/5,689.22 = 2,329.28/x
  3. Step 3: Cross multiply
    4,122.42x = 5,689.22 × 2,329.28
  4. Step 4: Simplify right side
    4,122.42x = 13,251,746.27
  5. Step 5: Solve for x
    x = 13,251,746.27/4,122.42
  6. Step 6: Final answer
    x = 3,214.56

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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.