Home / 2,354.45-3,249.36-1,306.71

Finding the Fourth Proportional to 2,354.45, 3,249.36 and 1,306.71

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Solution

The fourth proportional to 2,354.45, 3,249.36 and 1,306.71 is: 1,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.45 : 3,249.36 = 1,306.71 : x
  2. Step 2: Convert to fraction form
    2,354.45/3,249.36 = 1,306.71/x
  3. Step 3: Cross multiply
    2,354.45x = 3,249.36 × 1,306.71
  4. Step 4: Simplify right side
    2,354.45x = 4,245,971.21
  5. Step 5: Solve for x
    x = 4,245,971.21/2,354.45
  6. Step 6: Final answer
    x = 1,803.39

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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.