Home / 1,717.74-2,580.72-1,102.65

Finding the Fourth Proportional to 1,717.74, 2,580.72 and 1,102.65

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Solution

The fourth proportional to 1,717.74, 2,580.72 and 1,102.65 is: 1,656.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.74 : 2,580.72 = 1,102.65 : x
  2. Step 2: Convert to fraction form
    1,717.74/2,580.72 = 1,102.65/x
  3. Step 3: Cross multiply
    1,717.74x = 2,580.72 × 1,102.65
  4. Step 4: Simplify right side
    1,717.74x = 2,845,630.91
  5. Step 5: Solve for x
    x = 2,845,630.91/1,717.74
  6. Step 6: Final answer
    x = 1,656.61

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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.