Home / 1,937.76-2,673.84-1,151.64

Finding the Fourth Proportional to 1,937.76, 2,673.84 and 1,151.64

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Solution

The fourth proportional to 1,937.76, 2,673.84 and 1,151.64 is: 1,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.76 : 2,673.84 = 1,151.64 : x
  2. Step 2: Convert to fraction form
    1,937.76/2,673.84 = 1,151.64/x
  3. Step 3: Cross multiply
    1,937.76x = 2,673.84 × 1,151.64
  4. Step 4: Simplify right side
    1,937.76x = 3,079,301.10
  5. Step 5: Solve for x
    x = 3,079,301.10/1,937.76
  6. Step 6: Final answer
    x = 1,589.10

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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.