Home / 2,422.87-3,343.35-1,346.17

Finding the Fourth Proportional to 2,422.87, 3,343.35 and 1,346.17

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Solution

The fourth proportional to 2,422.87, 3,343.35 and 1,346.17 is: 1,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.87 : 3,343.35 = 1,346.17 : x
  2. Step 2: Convert to fraction form
    2,422.87/3,343.35 = 1,346.17/x
  3. Step 3: Cross multiply
    2,422.87x = 3,343.35 × 1,346.17
  4. Step 4: Simplify right side
    2,422.87x = 4,500,717.47
  5. Step 5: Solve for x
    x = 4,500,717.47/2,422.87
  6. Step 6: Final answer
    x = 1,857.60

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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.