Home / 2,101.01-3,151.53-1,375.19

Finding the Fourth Proportional to 2,101.01, 3,151.53 and 1,375.19

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Solution

The fourth proportional to 2,101.01, 3,151.53 and 1,375.19 is: 2,062.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.01 : 3,151.53 = 1,375.19 : x
  2. Step 2: Convert to fraction form
    2,101.01/3,151.53 = 1,375.19/x
  3. Step 3: Cross multiply
    2,101.01x = 3,151.53 × 1,375.19
  4. Step 4: Simplify right side
    2,101.01x = 4,333,948.60
  5. Step 5: Solve for x
    x = 4,333,948.60/2,101.01
  6. Step 6: Final answer
    x = 2,062.80

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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.