Home / 2,674.57-4,008.51-1,287.53

Finding the Fourth Proportional to 2,674.57, 4,008.51 and 1,287.53

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Solution

The fourth proportional to 2,674.57, 4,008.51 and 1,287.53 is: 1,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.57 : 4,008.51 = 1,287.53 : x
  2. Step 2: Convert to fraction form
    2,674.57/4,008.51 = 1,287.53/x
  3. Step 3: Cross multiply
    2,674.57x = 4,008.51 × 1,287.53
  4. Step 4: Simplify right side
    2,674.57x = 5,161,070.44
  5. Step 5: Solve for x
    x = 5,161,070.44/2,674.57
  6. Step 6: Final answer
    x = 1,929.69

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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.