Home / 2,288.72-3,435.92-2,278.19

Finding the Fourth Proportional to 2,288.72, 3,435.92 and 2,278.19

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Solution

The fourth proportional to 2,288.72, 3,435.92 and 2,278.19 is: 3,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.72 : 3,435.92 = 2,278.19 : x
  2. Step 2: Convert to fraction form
    2,288.72/3,435.92 = 2,278.19/x
  3. Step 3: Cross multiply
    2,288.72x = 3,435.92 × 2,278.19
  4. Step 4: Simplify right side
    2,288.72x = 7,827,650.01
  5. Step 5: Solve for x
    x = 7,827,650.01/2,288.72
  6. Step 6: Final answer
    x = 3,420.11

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1.5x scale

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.