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Finding the Fourth Proportional to 1,458.19, 2,186.88 and 995.86

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Solution

The fourth proportional to 1,458.19, 2,186.88 and 995.86 is: 1,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.19 : 2,186.88 = 995.86 : x
  2. Step 2: Convert to fraction form
    1,458.19/2,186.88 = 995.86/x
  3. Step 3: Cross multiply
    1,458.19x = 2,186.88 × 995.86
  4. Step 4: Simplify right side
    1,458.19x = 2,177,826.32
  5. Step 5: Solve for x
    x = 2,177,826.32/1,458.19
  6. Step 6: Final answer
    x = 1,493.51

Related Problems

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Double scale
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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.