Home / 2,354.86-3,249.75-1,306.81

Finding the Fourth Proportional to 2,354.86, 3,249.75 and 1,306.81

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Solution

The fourth proportional to 2,354.86, 3,249.75 and 1,306.81 is: 1,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.86 : 3,249.75 = 1,306.81 : x
  2. Step 2: Convert to fraction form
    2,354.86/3,249.75 = 1,306.81/x
  3. Step 3: Cross multiply
    2,354.86x = 3,249.75 × 1,306.81
  4. Step 4: Simplify right side
    2,354.86x = 4,246,805.80
  5. Step 5: Solve for x
    x = 4,246,805.80/2,354.86
  6. Step 6: Final answer
    x = 1,803.42

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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.