Home / 1,340.42-2,010.36-933.26

Finding the Fourth Proportional to 1,340.42, 2,010.36 and 933.26

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Solution

The fourth proportional to 1,340.42, 2,010.36 and 933.26 is: 1,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.42 : 2,010.36 = 933.26 : x
  2. Step 2: Convert to fraction form
    1,340.42/2,010.36 = 933.26/x
  3. Step 3: Cross multiply
    1,340.42x = 2,010.36 × 933.26
  4. Step 4: Simplify right side
    1,340.42x = 1,876,188.57
  5. Step 5: Solve for x
    x = 1,876,188.57/1,340.42
  6. Step 6: Final answer
    x = 1,399.70

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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.