Home / 2,540.04-3,810.08-896.21

Finding the Fourth Proportional to 2,540.04, 3,810.08 and 896.21

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Solution

The fourth proportional to 2,540.04, 3,810.08 and 896.21 is: 1,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.04 : 3,810.08 = 896.21 : x
  2. Step 2: Convert to fraction form
    2,540.04/3,810.08 = 896.21/x
  3. Step 3: Cross multiply
    2,540.04x = 3,810.08 × 896.21
  4. Step 4: Simplify right side
    2,540.04x = 3,414,631.80
  5. Step 5: Solve for x
    x = 3,414,631.80/2,540.04
  6. Step 6: Final answer
    x = 1,344.32

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.