Home / 3,013.20-4,518.72-1,010.88

Finding the Fourth Proportional to 3,013.20, 4,518.72 and 1,010.88

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Solution

The fourth proportional to 3,013.20, 4,518.72 and 1,010.88 is: 1,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.20 : 4,518.72 = 1,010.88 : x
  2. Step 2: Convert to fraction form
    3,013.20/4,518.72 = 1,010.88/x
  3. Step 3: Cross multiply
    3,013.20x = 4,518.72 × 1,010.88
  4. Step 4: Simplify right side
    3,013.20x = 4,567,883.67
  5. Step 5: Solve for x
    x = 4,567,883.67/3,013.20
  6. Step 6: Final answer
    x = 1,515.96

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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.