Home / 2,754.45-4,132.98-1,112.13

Finding the Fourth Proportional to 2,754.45, 4,132.98 and 1,112.13

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Solution

The fourth proportional to 2,754.45, 4,132.98 and 1,112.13 is: 1,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.45 : 4,132.98 = 1,112.13 : x
  2. Step 2: Convert to fraction form
    2,754.45/4,132.98 = 1,112.13/x
  3. Step 3: Cross multiply
    2,754.45x = 4,132.98 × 1,112.13
  4. Step 4: Simplify right side
    2,754.45x = 4,596,411.05
  5. Step 5: Solve for x
    x = 4,596,411.05/2,754.45
  6. Step 6: Final answer
    x = 1,668.72

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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.