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Finding the Fourth Proportional to 1,519.60, 2,097.06 and 995.63

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Solution

The fourth proportional to 1,519.60, 2,097.06 and 995.63 is: 1,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.60 : 2,097.06 = 995.63 : x
  2. Step 2: Convert to fraction form
    1,519.60/2,097.06 = 995.63/x
  3. Step 3: Cross multiply
    1,519.60x = 2,097.06 × 995.63
  4. Step 4: Simplify right side
    1,519.60x = 2,087,895.85
  5. Step 5: Solve for x
    x = 2,087,895.85/1,519.60
  6. Step 6: Final answer
    x = 1,373.98

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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.