Home / 2,511.48-3,767.19-756.47

Finding the Fourth Proportional to 2,511.48, 3,767.19 and 756.47

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Solution

The fourth proportional to 2,511.48, 3,767.19 and 756.47 is: 1,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.48 : 3,767.19 = 756.47 : x
  2. Step 2: Convert to fraction form
    2,511.48/3,767.19 = 756.47/x
  3. Step 3: Cross multiply
    2,511.48x = 3,767.19 × 756.47
  4. Step 4: Simplify right side
    2,511.48x = 2,849,766.22
  5. Step 5: Solve for x
    x = 2,849,766.22/2,511.48
  6. Step 6: Final answer
    x = 1,134.70

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1.5x scale

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.