Home / 3,089.88-4,635.01-1,240.75

Finding the Fourth Proportional to 3,089.88, 4,635.01 and 1,240.75

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Solution

The fourth proportional to 3,089.88, 4,635.01 and 1,240.75 is: 1,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.88 : 4,635.01 = 1,240.75 : x
  2. Step 2: Convert to fraction form
    3,089.88/4,635.01 = 1,240.75/x
  3. Step 3: Cross multiply
    3,089.88x = 4,635.01 × 1,240.75
  4. Step 4: Simplify right side
    3,089.88x = 5,750,865.48
  5. Step 5: Solve for x
    x = 5,750,865.48/3,089.88
  6. Step 6: Final answer
    x = 1,861.20

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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.