Home / 3,769.84-5,200.96-2,777.49

Finding the Fourth Proportional to 3,769.84, 5,200.96 and 2,777.49

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Solution

The fourth proportional to 3,769.84, 5,200.96 and 2,777.49 is: 3,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.84 : 5,200.96 = 2,777.49 : x
  2. Step 2: Convert to fraction form
    3,769.84/5,200.96 = 2,777.49/x
  3. Step 3: Cross multiply
    3,769.84x = 5,200.96 × 2,777.49
  4. Step 4: Simplify right side
    3,769.84x = 14,445,612.65
  5. Step 5: Solve for x
    x = 14,445,612.65/3,769.84
  6. Step 6: Final answer
    x = 3,831.89

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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.