Home / 2,351.40-3,524.64-1,117.92

Finding the Fourth Proportional to 2,351.40, 3,524.64 and 1,117.92

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Solution

The fourth proportional to 2,351.40, 3,524.64 and 1,117.92 is: 1,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.40 : 3,524.64 = 1,117.92 : x
  2. Step 2: Convert to fraction form
    2,351.40/3,524.64 = 1,117.92/x
  3. Step 3: Cross multiply
    2,351.40x = 3,524.64 × 1,117.92
  4. Step 4: Simplify right side
    2,351.40x = 3,940,265.55
  5. Step 5: Solve for x
    x = 3,940,265.55/2,351.40
  6. Step 6: Final answer
    x = 1,675.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.