Home / 2,484.32-3,428.46-1,422.26

Finding the Fourth Proportional to 2,484.32, 3,428.46 and 1,422.26

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Solution

The fourth proportional to 2,484.32, 3,428.46 and 1,422.26 is: 1,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.32 : 3,428.46 = 1,422.26 : x
  2. Step 2: Convert to fraction form
    2,484.32/3,428.46 = 1,422.26/x
  3. Step 3: Cross multiply
    2,484.32x = 3,428.46 × 1,422.26
  4. Step 4: Simplify right side
    2,484.32x = 4,876,144.38
  5. Step 5: Solve for x
    x = 4,876,144.38/2,484.32
  6. Step 6: Final answer
    x = 1,962.77

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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.