Home / 2,237.64-3,087.96-1,243.01

Finding the Fourth Proportional to 2,237.64, 3,087.96 and 1,243.01

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Solution

The fourth proportional to 2,237.64, 3,087.96 and 1,243.01 is: 1,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.64 : 3,087.96 = 1,243.01 : x
  2. Step 2: Convert to fraction form
    2,237.64/3,087.96 = 1,243.01/x
  3. Step 3: Cross multiply
    2,237.64x = 3,087.96 × 1,243.01
  4. Step 4: Simplify right side
    2,237.64x = 3,838,365.16
  5. Step 5: Solve for x
    x = 3,838,365.16/2,237.64
  6. Step 6: Final answer
    x = 1,715.36

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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.