Home / 2,237.04-3,355.60-938.40

Finding the Fourth Proportional to 2,237.04, 3,355.60 and 938.40

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Solution

The fourth proportional to 2,237.04, 3,355.60 and 938.40 is: 1,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.04 : 3,355.60 = 938.40 : x
  2. Step 2: Convert to fraction form
    2,237.04/3,355.60 = 938.40/x
  3. Step 3: Cross multiply
    2,237.04x = 3,355.60 × 938.40
  4. Step 4: Simplify right side
    2,237.04x = 3,148,895.04
  5. Step 5: Solve for x
    x = 3,148,895.04/2,237.04
  6. Step 6: Final answer
    x = 1,407.62

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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.