Home / 2,470.06-3,408.15-1,422.22

Finding the Fourth Proportional to 2,470.06, 3,408.15 and 1,422.22

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Solution

The fourth proportional to 2,470.06, 3,408.15 and 1,422.22 is: 1,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.06 : 3,408.15 = 1,422.22 : x
  2. Step 2: Convert to fraction form
    2,470.06/3,408.15 = 1,422.22/x
  3. Step 3: Cross multiply
    2,470.06x = 3,408.15 × 1,422.22
  4. Step 4: Simplify right side
    2,470.06x = 4,847,139.09
  5. Step 5: Solve for x
    x = 4,847,139.09/2,470.06
  6. Step 6: Final answer
    x = 1,962.36

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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.