Home / 3,089.44-4,634.74-1,240.70

Finding the Fourth Proportional to 3,089.44, 4,634.74 and 1,240.70

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Solution

The fourth proportional to 3,089.44, 4,634.74 and 1,240.70 is: 1,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.44 : 4,634.74 = 1,240.70 : x
  2. Step 2: Convert to fraction form
    3,089.44/4,634.74 = 1,240.70/x
  3. Step 3: Cross multiply
    3,089.44x = 4,634.74 × 1,240.70
  4. Step 4: Simplify right side
    3,089.44x = 5,750,306.66
  5. Step 5: Solve for x
    x = 5,750,306.66/3,089.44
  6. Step 6: Final answer
    x = 1,861.28

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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.