Home / 3,251.09-4,870.52-1,605.71

Finding the Fourth Proportional to 3,251.09, 4,870.52 and 1,605.71

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Solution

The fourth proportional to 3,251.09, 4,870.52 and 1,605.71 is: 2,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.09 : 4,870.52 = 1,605.71 : x
  2. Step 2: Convert to fraction form
    3,251.09/4,870.52 = 1,605.71/x
  3. Step 3: Cross multiply
    3,251.09x = 4,870.52 × 1,605.71
  4. Step 4: Simplify right side
    3,251.09x = 7,820,652.84
  5. Step 5: Solve for x
    x = 7,820,652.84/3,251.09
  6. Step 6: Final answer
    x = 2,405.55

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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.