Home / 2,299.74-3,173.65-1,251.81

Finding the Fourth Proportional to 2,299.74, 3,173.65 and 1,251.81

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Solution

The fourth proportional to 2,299.74, 3,173.65 and 1,251.81 is: 1,727.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.74 : 3,173.65 = 1,251.81 : x
  2. Step 2: Convert to fraction form
    2,299.74/3,173.65 = 1,251.81/x
  3. Step 3: Cross multiply
    2,299.74x = 3,173.65 × 1,251.81
  4. Step 4: Simplify right side
    2,299.74x = 3,972,806.81
  5. Step 5: Solve for x
    x = 3,972,806.81/2,299.74
  6. Step 6: Final answer
    x = 1,727.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.