Home / 2,240.76-3,092.64-1,297.14

Finding the Fourth Proportional to 2,240.76, 3,092.64 and 1,297.14

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Solution

The fourth proportional to 2,240.76, 3,092.64 and 1,297.14 is: 1,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.76 : 3,092.64 = 1,297.14 : x
  2. Step 2: Convert to fraction form
    2,240.76/3,092.64 = 1,297.14/x
  3. Step 3: Cross multiply
    2,240.76x = 3,092.64 × 1,297.14
  4. Step 4: Simplify right side
    2,240.76x = 4,011,587.05
  5. Step 5: Solve for x
    x = 4,011,587.05/2,240.76
  6. Step 6: Final answer
    x = 1,790.28

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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.