Home / 2,237.88-3,088.28-1,243.18

Finding the Fourth Proportional to 2,237.88, 3,088.28 and 1,243.18

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Solution

The fourth proportional to 2,237.88, 3,088.28 and 1,243.18 is: 1,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.88 : 3,088.28 = 1,243.18 : x
  2. Step 2: Convert to fraction form
    2,237.88/3,088.28 = 1,243.18/x
  3. Step 3: Cross multiply
    2,237.88x = 3,088.28 × 1,243.18
  4. Step 4: Simplify right side
    2,237.88x = 3,839,287.93
  5. Step 5: Solve for x
    x = 3,839,287.93/2,237.88
  6. Step 6: Final answer
    x = 1,715.59

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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.