Home / 1,233.70-1,848.93-618.10

Finding the Fourth Proportional to 1,233.70, 1,848.93 and 618.10

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Solution

The fourth proportional to 1,233.70, 1,848.93 and 618.10 is: 926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.70 : 1,848.93 = 618.10 : x
  2. Step 2: Convert to fraction form
    1,233.70/1,848.93 = 618.10/x
  3. Step 3: Cross multiply
    1,233.70x = 1,848.93 × 618.10
  4. Step 4: Simplify right side
    1,233.70x = 1,142,823.63
  5. Step 5: Solve for x
    x = 1,142,823.63/1,233.70
  6. Step 6: Final answer
    x = 926.34

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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.