Home / 2,354.69-3,249.71-1,306.95

Finding the Fourth Proportional to 2,354.69, 3,249.71 and 1,306.95

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Solution

The fourth proportional to 2,354.69, 3,249.71 and 1,306.95 is: 1,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.69 : 3,249.71 = 1,306.95 : x
  2. Step 2: Convert to fraction form
    2,354.69/3,249.71 = 1,306.95/x
  3. Step 3: Cross multiply
    2,354.69x = 3,249.71 × 1,306.95
  4. Step 4: Simplify right side
    2,354.69x = 4,247,208.48
  5. Step 5: Solve for x
    x = 4,247,208.48/2,354.69
  6. Step 6: Final answer
    x = 1,803.72

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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.