Home / 2,237.64-3,087.97-1,243.03

Finding the Fourth Proportional to 2,237.64, 3,087.97 and 1,243.03

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Solution

The fourth proportional to 2,237.64, 3,087.97 and 1,243.03 is: 1,715.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.64 : 3,087.97 = 1,243.03 : x
  2. Step 2: Convert to fraction form
    2,237.64/3,087.97 = 1,243.03/x
  3. Step 3: Cross multiply
    2,237.64x = 3,087.97 × 1,243.03
  4. Step 4: Simplify right side
    2,237.64x = 3,838,425.41
  5. Step 5: Solve for x
    x = 3,838,425.41/2,237.64
  6. Step 6: Final answer
    x = 1,715.39

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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.