Home / 3,422.30-5,108.69-3,007.11

Finding the Fourth Proportional to 3,422.30, 5,108.69 and 3,007.11

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Solution

The fourth proportional to 3,422.30, 5,108.69 and 3,007.11 is: 4,488.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.30 : 5,108.69 = 3,007.11 : x
  2. Step 2: Convert to fraction form
    3,422.30/5,108.69 = 3,007.11/x
  3. Step 3: Cross multiply
    3,422.30x = 5,108.69 × 3,007.11
  4. Step 4: Simplify right side
    3,422.30x = 15,362,368.74
  5. Step 5: Solve for x
    x = 15,362,368.74/3,422.30
  6. Step 6: Final answer
    x = 4,488.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.