Home / 2,744.51-4,113.19-1,280.44

Finding the Fourth Proportional to 2,744.51, 4,113.19 and 1,280.44

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Solution

The fourth proportional to 2,744.51, 4,113.19 and 1,280.44 is: 1,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.51 : 4,113.19 = 1,280.44 : x
  2. Step 2: Convert to fraction form
    2,744.51/4,113.19 = 1,280.44/x
  3. Step 3: Cross multiply
    2,744.51x = 4,113.19 × 1,280.44
  4. Step 4: Simplify right side
    2,744.51x = 5,266,666.04
  5. Step 5: Solve for x
    x = 5,266,666.04/2,744.51
  6. Step 6: Final answer
    x = 1,918.98

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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.