Home / 2,240.51-3,092.16-1,356.30

Finding the Fourth Proportional to 2,240.51, 3,092.16 and 1,356.30

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Solution

The fourth proportional to 2,240.51, 3,092.16 and 1,356.30 is: 1,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.51 : 3,092.16 = 1,356.30 : x
  2. Step 2: Convert to fraction form
    2,240.51/3,092.16 = 1,356.30/x
  3. Step 3: Cross multiply
    2,240.51x = 3,092.16 × 1,356.30
  4. Step 4: Simplify right side
    2,240.51x = 4,193,896.61
  5. Step 5: Solve for x
    x = 4,193,896.61/2,240.51
  6. Step 6: Final answer
    x = 1,871.85

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1.5x scale

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.