Home / 2,743.90-4,117.05-1,282.30

Finding the Fourth Proportional to 2,743.90, 4,117.05 and 1,282.30

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Solution

The fourth proportional to 2,743.90, 4,117.05 and 1,282.30 is: 1,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.90 : 4,117.05 = 1,282.30 : x
  2. Step 2: Convert to fraction form
    2,743.90/4,117.05 = 1,282.30/x
  3. Step 3: Cross multiply
    2,743.90x = 4,117.05 × 1,282.30
  4. Step 4: Simplify right side
    2,743.90x = 5,279,293.22
  5. Step 5: Solve for x
    x = 5,279,293.22/2,743.90
  6. Step 6: Final answer
    x = 1,924.01

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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.