Home / 2,523.49-3,481.45-1,578.89

Finding the Fourth Proportional to 2,523.49, 3,481.45 and 1,578.89

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Solution

The fourth proportional to 2,523.49, 3,481.45 and 1,578.89 is: 2,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.49 : 3,481.45 = 1,578.89 : x
  2. Step 2: Convert to fraction form
    2,523.49/3,481.45 = 1,578.89/x
  3. Step 3: Cross multiply
    2,523.49x = 3,481.45 × 1,578.89
  4. Step 4: Simplify right side
    2,523.49x = 5,496,831.35
  5. Step 5: Solve for x
    x = 5,496,831.35/2,523.49
  6. Step 6: Final answer
    x = 2,178.27

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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.