Home / 2,371.20-3,262.32-2,306.40

Finding the Fourth Proportional to 2,371.20, 3,262.32 and 2,306.40

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Solution

The fourth proportional to 2,371.20, 3,262.32 and 2,306.40 is: 3,173.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.20 : 3,262.32 = 2,306.40 : x
  2. Step 2: Convert to fraction form
    2,371.20/3,262.32 = 2,306.40/x
  3. Step 3: Cross multiply
    2,371.20x = 3,262.32 × 2,306.40
  4. Step 4: Simplify right side
    2,371.20x = 7,524,214.85
  5. Step 5: Solve for x
    x = 7,524,214.85/2,371.20
  6. Step 6: Final answer
    x = 3,173.17

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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.