Home / 3,287.10-4,535.79-1,870.97

Finding the Fourth Proportional to 3,287.10, 4,535.79 and 1,870.97

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Solution

The fourth proportional to 3,287.10, 4,535.79 and 1,870.97 is: 2,581.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.10 : 4,535.79 = 1,870.97 : x
  2. Step 2: Convert to fraction form
    3,287.10/4,535.79 = 1,870.97/x
  3. Step 3: Cross multiply
    3,287.10x = 4,535.79 × 1,870.97
  4. Step 4: Simplify right side
    3,287.10x = 8,486,327.02
  5. Step 5: Solve for x
    x = 8,486,327.02/3,287.10
  6. Step 6: Final answer
    x = 2,581.71

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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.