Home / 2,117.18-3,173.34-1,076.60

Finding the Fourth Proportional to 2,117.18, 3,173.34 and 1,076.60

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Solution

The fourth proportional to 2,117.18, 3,173.34 and 1,076.60 is: 1,613.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.18 : 3,173.34 = 1,076.60 : x
  2. Step 2: Convert to fraction form
    2,117.18/3,173.34 = 1,076.60/x
  3. Step 3: Cross multiply
    2,117.18x = 3,173.34 × 1,076.60
  4. Step 4: Simplify right side
    2,117.18x = 3,416,417.84
  5. Step 5: Solve for x
    x = 3,416,417.84/2,117.18
  6. Step 6: Final answer
    x = 1,613.66

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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.