Home / 2,746.65-4,119.98-1,287.44

Finding the Fourth Proportional to 2,746.65, 4,119.98 and 1,287.44

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Solution

The fourth proportional to 2,746.65, 4,119.98 and 1,287.44 is: 1,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746.65 : 4,119.98 = 1,287.44 : x
  2. Step 2: Convert to fraction form
    2,746.65/4,119.98 = 1,287.44/x
  3. Step 3: Cross multiply
    2,746.65x = 4,119.98 × 1,287.44
  4. Step 4: Simplify right side
    2,746.65x = 5,304,227.05
  5. Step 5: Solve for x
    x = 5,304,227.05/2,746.65
  6. Step 6: Final answer
    x = 1,931.16

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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.