Home / 2,117.71-3,173.50-1,502.62

Finding the Fourth Proportional to 2,117.71, 3,173.50 and 1,502.62

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Solution

The fourth proportional to 2,117.71, 3,173.50 and 1,502.62 is: 2,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.71 : 3,173.50 = 1,502.62 : x
  2. Step 2: Convert to fraction form
    2,117.71/3,173.50 = 1,502.62/x
  3. Step 3: Cross multiply
    2,117.71x = 3,173.50 × 1,502.62
  4. Step 4: Simplify right side
    2,117.71x = 4,768,550.06
  5. Step 5: Solve for x
    x = 4,768,550.06/2,117.71
  6. Step 6: Final answer
    x = 2,251.75

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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.