Home / 1,767.12-2,436.33-1,136.52

Finding the Fourth Proportional to 1,767.12, 2,436.33 and 1,136.52

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Solution

The fourth proportional to 1,767.12, 2,436.33 and 1,136.52 is: 1,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.12 : 2,436.33 = 1,136.52 : x
  2. Step 2: Convert to fraction form
    1,767.12/2,436.33 = 1,136.52/x
  3. Step 3: Cross multiply
    1,767.12x = 2,436.33 × 1,136.52
  4. Step 4: Simplify right side
    1,767.12x = 2,768,937.77
  5. Step 5: Solve for x
    x = 2,768,937.77/1,767.12
  6. Step 6: Final answer
    x = 1,566.92

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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.