Home / 2,240.35-3,092.70-1,356.01

Finding the Fourth Proportional to 2,240.35, 3,092.70 and 1,356.01

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Solution

The fourth proportional to 2,240.35, 3,092.70 and 1,356.01 is: 1,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.35 : 3,092.70 = 1,356.01 : x
  2. Step 2: Convert to fraction form
    2,240.35/3,092.70 = 1,356.01/x
  3. Step 3: Cross multiply
    2,240.35x = 3,092.70 × 1,356.01
  4. Step 4: Simplify right side
    2,240.35x = 4,193,732.13
  5. Step 5: Solve for x
    x = 4,193,732.13/2,240.35
  6. Step 6: Final answer
    x = 1,871.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.