Home / 3,007.40-4,147.07-2,589.17

Finding the Fourth Proportional to 3,007.40, 4,147.07 and 2,589.17

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Solution

The fourth proportional to 3,007.40, 4,147.07 and 2,589.17 is: 3,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.40 : 4,147.07 = 2,589.17 : x
  2. Step 2: Convert to fraction form
    3,007.40/4,147.07 = 2,589.17/x
  3. Step 3: Cross multiply
    3,007.40x = 4,147.07 × 2,589.17
  4. Step 4: Simplify right side
    3,007.40x = 10,737,435.55
  5. Step 5: Solve for x
    x = 10,737,435.55/3,007.40
  6. Step 6: Final answer
    x = 3,570.34

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Half scale
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Double scale
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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.