Home / 3,751.50-5,623.47-1,561.44

Finding the Fourth Proportional to 3,751.50, 5,623.47 and 1,561.44

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Solution

The fourth proportional to 3,751.50, 5,623.47 and 1,561.44 is: 2,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.50 : 5,623.47 = 1,561.44 : x
  2. Step 2: Convert to fraction form
    3,751.50/5,623.47 = 1,561.44/x
  3. Step 3: Cross multiply
    3,751.50x = 5,623.47 × 1,561.44
  4. Step 4: Simplify right side
    3,751.50x = 8,780,711.00
  5. Step 5: Solve for x
    x = 8,780,711.00/3,751.50
  6. Step 6: Final answer
    x = 2,340.59

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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.