Home / 1,717.86-2,581.65-1,103.07

Finding the Fourth Proportional to 1,717.86, 2,581.65 and 1,103.07

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Solution

The fourth proportional to 1,717.86, 2,581.65 and 1,103.07 is: 1,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.86 : 2,581.65 = 1,103.07 : x
  2. Step 2: Convert to fraction form
    1,717.86/2,581.65 = 1,103.07/x
  3. Step 3: Cross multiply
    1,717.86x = 2,581.65 × 1,103.07
  4. Step 4: Simplify right side
    1,717.86x = 2,847,740.67
  5. Step 5: Solve for x
    x = 2,847,740.67/1,717.86
  6. Step 6: Final answer
    x = 1,657.73

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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.