Home / 3,557.75-5,337.03-1,826.78

Finding the Fourth Proportional to 3,557.75, 5,337.03 and 1,826.78

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Solution

The fourth proportional to 3,557.75, 5,337.03 and 1,826.78 is: 2,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.75 : 5,337.03 = 1,826.78 : x
  2. Step 2: Convert to fraction form
    3,557.75/5,337.03 = 1,826.78/x
  3. Step 3: Cross multiply
    3,557.75x = 5,337.03 × 1,826.78
  4. Step 4: Simplify right side
    3,557.75x = 9,749,579.66
  5. Step 5: Solve for x
    x = 9,749,579.66/3,557.75
  6. Step 6: Final answer
    x = 2,740.38

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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.