Home / 2,280.72-3,418.08-1,241.16

Finding the Fourth Proportional to 2,280.72, 3,418.08 and 1,241.16

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Solution

The fourth proportional to 2,280.72, 3,418.08 and 1,241.16 is: 1,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.72 : 3,418.08 = 1,241.16 : x
  2. Step 2: Convert to fraction form
    2,280.72/3,418.08 = 1,241.16/x
  3. Step 3: Cross multiply
    2,280.72x = 3,418.08 × 1,241.16
  4. Step 4: Simplify right side
    2,280.72x = 4,242,384.17
  5. Step 5: Solve for x
    x = 4,242,384.17/2,280.72
  6. Step 6: Final answer
    x = 1,860.11

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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.