Home / 3,860.48-5,327.67-2,443.65

Finding the Fourth Proportional to 3,860.48, 5,327.67 and 2,443.65

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Solution

The fourth proportional to 3,860.48, 5,327.67 and 2,443.65 is: 3,372.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.48 : 5,327.67 = 2,443.65 : x
  2. Step 2: Convert to fraction form
    3,860.48/5,327.67 = 2,443.65/x
  3. Step 3: Cross multiply
    3,860.48x = 5,327.67 × 2,443.65
  4. Step 4: Simplify right side
    3,860.48x = 13,018,979.42
  5. Step 5: Solve for x
    x = 13,018,979.42/3,860.48
  6. Step 6: Final answer
    x = 3,372.37

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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.