Home / 2,307.20-3,460.82-663.75

Finding the Fourth Proportional to 2,307.20, 3,460.82 and 663.75

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Solution

The fourth proportional to 2,307.20, 3,460.82 and 663.75 is: 995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.20 : 3,460.82 = 663.75 : x
  2. Step 2: Convert to fraction form
    2,307.20/3,460.82 = 663.75/x
  3. Step 3: Cross multiply
    2,307.20x = 3,460.82 × 663.75
  4. Step 4: Simplify right side
    2,307.20x = 2,297,115.96
  5. Step 5: Solve for x
    x = 2,297,115.96/2,307.20
  6. Step 6: Final answer
    x = 995.63

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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.