Home / 2,073.92-3,110.90-1,207.68

Finding the Fourth Proportional to 2,073.92, 3,110.90 and 1,207.68

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Solution

The fourth proportional to 2,073.92, 3,110.90 and 1,207.68 is: 1,811.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.92 : 3,110.90 = 1,207.68 : x
  2. Step 2: Convert to fraction form
    2,073.92/3,110.90 = 1,207.68/x
  3. Step 3: Cross multiply
    2,073.92x = 3,110.90 × 1,207.68
  4. Step 4: Simplify right side
    2,073.92x = 3,756,971.71
  5. Step 5: Solve for x
    x = 3,756,971.71/2,073.92
  6. Step 6: Final answer
    x = 1,811.53

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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.