Home / 2,327.91-3,212.15-1,489.35

Finding the Fourth Proportional to 2,327.91, 3,212.15 and 1,489.35

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Solution

The fourth proportional to 2,327.91, 3,212.15 and 1,489.35 is: 2,055.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.91 : 3,212.15 = 1,489.35 : x
  2. Step 2: Convert to fraction form
    2,327.91/3,212.15 = 1,489.35/x
  3. Step 3: Cross multiply
    2,327.91x = 3,212.15 × 1,489.35
  4. Step 4: Simplify right side
    2,327.91x = 4,784,008.16
  5. Step 5: Solve for x
    x = 4,784,008.16/2,327.91
  6. Step 6: Final answer
    x = 2,055.07

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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.