Home / 1,456.14-2,008.88-896.44

Finding the Fourth Proportional to 1,456.14, 2,008.88 and 896.44

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Solution

The fourth proportional to 1,456.14, 2,008.88 and 896.44 is: 1,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456.14 : 2,008.88 = 896.44 : x
  2. Step 2: Convert to fraction form
    1,456.14/2,008.88 = 896.44/x
  3. Step 3: Cross multiply
    1,456.14x = 2,008.88 × 896.44
  4. Step 4: Simplify right side
    1,456.14x = 1,800,840.39
  5. Step 5: Solve for x
    x = 1,800,840.39/1,456.14
  6. Step 6: Final answer
    x = 1,236.72

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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.