Home / 1,835.32-2,531-1,172.38

Finding the Fourth Proportional to 1,835.32, 2,531 and 1,172.38

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Solution

The fourth proportional to 1,835.32, 2,531 and 1,172.38 is: 1,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.32 : 2,531 = 1,172.38 : x
  2. Step 2: Convert to fraction form
    1,835.32/2,531 = 1,172.38/x
  3. Step 3: Cross multiply
    1,835.32x = 2,531 × 1,172.38
  4. Step 4: Simplify right side
    1,835.32x = 2,967,293.78
  5. Step 5: Solve for x
    x = 2,967,293.78/1,835.32
  6. Step 6: Final answer
    x = 1,616.77

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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.