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Finding the Fourth Proportional to 2,530.32, 3,795.48 and 886.56

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Solution

The fourth proportional to 2,530.32, 3,795.48 and 886.56 is: 1,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.32 : 3,795.48 = 886.56 : x
  2. Step 2: Convert to fraction form
    2,530.32/3,795.48 = 886.56/x
  3. Step 3: Cross multiply
    2,530.32x = 3,795.48 × 886.56
  4. Step 4: Simplify right side
    2,530.32x = 3,364,920.75
  5. Step 5: Solve for x
    x = 3,364,920.75/2,530.32
  6. Step 6: Final answer
    x = 1,329.84

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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.