Home / 3,769.48-5,655.16-2,210.78

Finding the Fourth Proportional to 3,769.48, 5,655.16 and 2,210.78

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Solution

The fourth proportional to 3,769.48, 5,655.16 and 2,210.78 is: 3,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.48 : 5,655.16 = 2,210.78 : x
  2. Step 2: Convert to fraction form
    3,769.48/5,655.16 = 2,210.78/x
  3. Step 3: Cross multiply
    3,769.48x = 5,655.16 × 2,210.78
  4. Step 4: Simplify right side
    3,769.48x = 12,502,314.62
  5. Step 5: Solve for x
    x = 12,502,314.62/3,769.48
  6. Step 6: Final answer
    x = 3,316.73

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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.