Home / 2,237.16-3,354.81-921.60

Finding the Fourth Proportional to 2,237.16, 3,354.81 and 921.60

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Solution

The fourth proportional to 2,237.16, 3,354.81 and 921.60 is: 1,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.16 : 3,354.81 = 921.60 : x
  2. Step 2: Convert to fraction form
    2,237.16/3,354.81 = 921.60/x
  3. Step 3: Cross multiply
    2,237.16x = 3,354.81 × 921.60
  4. Step 4: Simplify right side
    2,237.16x = 3,091,792.90
  5. Step 5: Solve for x
    x = 3,091,792.90/2,237.16
  6. Step 6: Final answer
    x = 1,382.02

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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.