Home / 2,119.50-3,177.63-1,144.26

Finding the Fourth Proportional to 2,119.50, 3,177.63 and 1,144.26

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Solution

The fourth proportional to 2,119.50, 3,177.63 and 1,144.26 is: 1,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.50 : 3,177.63 = 1,144.26 : x
  2. Step 2: Convert to fraction form
    2,119.50/3,177.63 = 1,144.26/x
  3. Step 3: Cross multiply
    2,119.50x = 3,177.63 × 1,144.26
  4. Step 4: Simplify right side
    2,119.50x = 3,636,034.90
  5. Step 5: Solve for x
    x = 3,636,034.90/2,119.50
  6. Step 6: Final answer
    x = 1,715.52

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Double scale
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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.