Home / 3,945.16-5,444.58-2,549.80

Finding the Fourth Proportional to 3,945.16, 5,444.58 and 2,549.80

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Solution

The fourth proportional to 3,945.16, 5,444.58 and 2,549.80 is: 3,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.16 : 5,444.58 = 2,549.80 : x
  2. Step 2: Convert to fraction form
    3,945.16/5,444.58 = 2,549.80/x
  3. Step 3: Cross multiply
    3,945.16x = 5,444.58 × 2,549.80
  4. Step 4: Simplify right side
    3,945.16x = 13,882,590.08
  5. Step 5: Solve for x
    x = 13,882,590.08/3,945.16
  6. Step 6: Final answer
    x = 3,518.89

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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.