Home / 3,521.52-4,859.96-1,949.68

Finding the Fourth Proportional to 3,521.52, 4,859.96 and 1,949.68

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Solution

The fourth proportional to 3,521.52, 4,859.96 and 1,949.68 is: 2,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.52 : 4,859.96 = 1,949.68 : x
  2. Step 2: Convert to fraction form
    3,521.52/4,859.96 = 1,949.68/x
  3. Step 3: Cross multiply
    3,521.52x = 4,859.96 × 1,949.68
  4. Step 4: Simplify right side
    3,521.52x = 9,475,366.81
  5. Step 5: Solve for x
    x = 9,475,366.81/3,521.52
  6. Step 6: Final answer
    x = 2,690.70

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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.