Home / 3,512.72-4,844.82-2,490.20

Finding the Fourth Proportional to 3,512.72, 4,844.82 and 2,490.20

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Solution

The fourth proportional to 3,512.72, 4,844.82 and 2,490.20 is: 3,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.72 : 4,844.82 = 2,490.20 : x
  2. Step 2: Convert to fraction form
    3,512.72/4,844.82 = 2,490.20/x
  3. Step 3: Cross multiply
    3,512.72x = 4,844.82 × 2,490.20
  4. Step 4: Simplify right side
    3,512.72x = 12,064,570.76
  5. Step 5: Solve for x
    x = 12,064,570.76/3,512.72
  6. Step 6: Final answer
    x = 3,434.54

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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.