Home / 2,612.25-3,602.88-2,331.18

Finding the Fourth Proportional to 2,612.25, 3,602.88 and 2,331.18

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Solution

The fourth proportional to 2,612.25, 3,602.88 and 2,331.18 is: 3,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.25 : 3,602.88 = 2,331.18 : x
  2. Step 2: Convert to fraction form
    2,612.25/3,602.88 = 2,331.18/x
  3. Step 3: Cross multiply
    2,612.25x = 3,602.88 × 2,331.18
  4. Step 4: Simplify right side
    2,612.25x = 8,398,961.80
  5. Step 5: Solve for x
    x = 8,398,961.80/2,612.25
  6. Step 6: Final answer
    x = 3,215.22

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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.