Home / 1,717.95-2,581.02-1,102.86

Finding the Fourth Proportional to 1,717.95, 2,581.02 and 1,102.86

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Solution

The fourth proportional to 1,717.95, 2,581.02 and 1,102.86 is: 1,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.95 : 2,581.02 = 1,102.86 : x
  2. Step 2: Convert to fraction form
    1,717.95/2,581.02 = 1,102.86/x
  3. Step 3: Cross multiply
    1,717.95x = 2,581.02 × 1,102.86
  4. Step 4: Simplify right side
    1,717.95x = 2,846,503.72
  5. Step 5: Solve for x
    x = 2,846,503.72/1,717.95
  6. Step 6: Final answer
    x = 1,656.92

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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.