Home / 2,354.77-3,249.48-1,306.81

Finding the Fourth Proportional to 2,354.77, 3,249.48 and 1,306.81

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Solution

The fourth proportional to 2,354.77, 3,249.48 and 1,306.81 is: 1,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.77 : 3,249.48 = 1,306.81 : x
  2. Step 2: Convert to fraction form
    2,354.77/3,249.48 = 1,306.81/x
  3. Step 3: Cross multiply
    2,354.77x = 3,249.48 × 1,306.81
  4. Step 4: Simplify right side
    2,354.77x = 4,246,452.96
  5. Step 5: Solve for x
    x = 4,246,452.96/2,354.77
  6. Step 6: Final answer
    x = 1,803.34

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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.