Home / 1,937.29-2,672.91-1,151.05

Finding the Fourth Proportional to 1,937.29, 2,672.91 and 1,151.05

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Solution

The fourth proportional to 1,937.29, 2,672.91 and 1,151.05 is: 1,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.29 : 2,672.91 = 1,151.05 : x
  2. Step 2: Convert to fraction form
    1,937.29/2,672.91 = 1,151.05/x
  3. Step 3: Cross multiply
    1,937.29x = 2,672.91 × 1,151.05
  4. Step 4: Simplify right side
    1,937.29x = 3,076,653.06
  5. Step 5: Solve for x
    x = 3,076,653.06/1,937.29
  6. Step 6: Final answer
    x = 1,588.12

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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.