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Finding the Fourth Proportional to 1,458.62, 2,186.76 and 995.24

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Solution

The fourth proportional to 1,458.62, 2,186.76 and 995.24 is: 1,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.62 : 2,186.76 = 995.24 : x
  2. Step 2: Convert to fraction form
    1,458.62/2,186.76 = 995.24/x
  3. Step 3: Cross multiply
    1,458.62x = 2,186.76 × 995.24
  4. Step 4: Simplify right side
    1,458.62x = 2,176,340.09
  5. Step 5: Solve for x
    x = 2,176,340.09/1,458.62
  6. Step 6: Final answer
    x = 1,492.06

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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.