Home / 2,589.71-3,565.04-2,340.25

Finding the Fourth Proportional to 2,589.71, 3,565.04 and 2,340.25

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Solution

The fourth proportional to 2,589.71, 3,565.04 and 2,340.25 is: 3,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.71 : 3,565.04 = 2,340.25 : x
  2. Step 2: Convert to fraction form
    2,589.71/3,565.04 = 2,340.25/x
  3. Step 3: Cross multiply
    2,589.71x = 3,565.04 × 2,340.25
  4. Step 4: Simplify right side
    2,589.71x = 8,343,064.25
  5. Step 5: Solve for x
    x = 8,343,064.25/2,589.71
  6. Step 6: Final answer
    x = 3,221.63

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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.