Home / 1,233.49-1,848.40-1,142.36

Finding the Fourth Proportional to 1,233.49, 1,848.40 and 1,142.36

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Solution

The fourth proportional to 1,233.49, 1,848.40 and 1,142.36 is: 1,711.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.49 : 1,848.40 = 1,142.36 : x
  2. Step 2: Convert to fraction form
    1,233.49/1,848.40 = 1,142.36/x
  3. Step 3: Cross multiply
    1,233.49x = 1,848.40 × 1,142.36
  4. Step 4: Simplify right side
    1,233.49x = 2,111,538.22
  5. Step 5: Solve for x
    x = 2,111,538.22/1,233.49
  6. Step 6: Final answer
    x = 1,711.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.