Home / 3,537.45-4,881.60-2,278.80

Finding the Fourth Proportional to 3,537.45, 4,881.60 and 2,278.80

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Solution

The fourth proportional to 3,537.45, 4,881.60 and 2,278.80 is: 3,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.45 : 4,881.60 = 2,278.80 : x
  2. Step 2: Convert to fraction form
    3,537.45/4,881.60 = 2,278.80/x
  3. Step 3: Cross multiply
    3,537.45x = 4,881.60 × 2,278.80
  4. Step 4: Simplify right side
    3,537.45x = 11,124,190.08
  5. Step 5: Solve for x
    x = 11,124,190.08/3,537.45
  6. Step 6: Final answer
    x = 3,144.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.