Home / 2,315.79-3,471.38-1,494.65

Finding the Fourth Proportional to 2,315.79, 3,471.38 and 1,494.65

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Solution

The fourth proportional to 2,315.79, 3,471.38 and 1,494.65 is: 2,240.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.79 : 3,471.38 = 1,494.65 : x
  2. Step 2: Convert to fraction form
    2,315.79/3,471.38 = 1,494.65/x
  3. Step 3: Cross multiply
    2,315.79x = 3,471.38 × 1,494.65
  4. Step 4: Simplify right side
    2,315.79x = 5,188,473.29
  5. Step 5: Solve for x
    x = 5,188,473.29/2,315.79
  6. Step 6: Final answer
    x = 2,240.48

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1.5x scale

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.