Home / 2,246.65-3,100.08-1,251.80

Finding the Fourth Proportional to 2,246.65, 3,100.08 and 1,251.80

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Solution

The fourth proportional to 2,246.65, 3,100.08 and 1,251.80 is: 1,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,246.65 : 3,100.08 = 1,251.80 : x
  2. Step 2: Convert to fraction form
    2,246.65/3,100.08 = 1,251.80/x
  3. Step 3: Cross multiply
    2,246.65x = 3,100.08 × 1,251.80
  4. Step 4: Simplify right side
    2,246.65x = 3,880,680.14
  5. Step 5: Solve for x
    x = 3,880,680.14/2,246.65
  6. Step 6: Final answer
    x = 1,727.32

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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.