Home / 3,747.78-5,621.61-1,554.90

Finding the Fourth Proportional to 3,747.78, 5,621.61 and 1,554.90

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Solution

The fourth proportional to 3,747.78, 5,621.61 and 1,554.90 is: 2,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.78 : 5,621.61 = 1,554.90 : x
  2. Step 2: Convert to fraction form
    3,747.78/5,621.61 = 1,554.90/x
  3. Step 3: Cross multiply
    3,747.78x = 5,621.61 × 1,554.90
  4. Step 4: Simplify right side
    3,747.78x = 8,741,041.39
  5. Step 5: Solve for x
    x = 8,741,041.39/3,747.78
  6. Step 6: Final answer
    x = 2,332.33

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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.