Home / 2,422.40-3,342.74-1,360.08

Finding the Fourth Proportional to 2,422.40, 3,342.74 and 1,360.08

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Solution

The fourth proportional to 2,422.40, 3,342.74 and 1,360.08 is: 1,876.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.40 : 3,342.74 = 1,360.08 : x
  2. Step 2: Convert to fraction form
    2,422.40/3,342.74 = 1,360.08/x
  3. Step 3: Cross multiply
    2,422.40x = 3,342.74 × 1,360.08
  4. Step 4: Simplify right side
    2,422.40x = 4,546,387.02
  5. Step 5: Solve for x
    x = 4,546,387.02/2,422.40
  6. Step 6: Final answer
    x = 1,876.81

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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.