Home / 2,237.91-3,088.44-1,243.20

Finding the Fourth Proportional to 2,237.91, 3,088.44 and 1,243.20

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Solution

The fourth proportional to 2,237.91, 3,088.44 and 1,243.20 is: 1,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.91 : 3,088.44 = 1,243.20 : x
  2. Step 2: Convert to fraction form
    2,237.91/3,088.44 = 1,243.20/x
  3. Step 3: Cross multiply
    2,237.91x = 3,088.44 × 1,243.20
  4. Step 4: Simplify right side
    2,237.91x = 3,839,548.61
  5. Step 5: Solve for x
    x = 3,839,548.61/2,237.91
  6. Step 6: Final answer
    x = 1,715.68

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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.