Home / 3,153.19-4,351.23-1,808.73

Finding the Fourth Proportional to 3,153.19, 4,351.23 and 1,808.73

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Solution

The fourth proportional to 3,153.19, 4,351.23 and 1,808.73 is: 2,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.19 : 4,351.23 = 1,808.73 : x
  2. Step 2: Convert to fraction form
    3,153.19/4,351.23 = 1,808.73/x
  3. Step 3: Cross multiply
    3,153.19x = 4,351.23 × 1,808.73
  4. Step 4: Simplify right side
    3,153.19x = 7,870,204.76
  5. Step 5: Solve for x
    x = 7,870,204.76/3,153.19
  6. Step 6: Final answer
    x = 2,495.95

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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.