Home / 4,280.16-5,904.42-2,790.56

Finding the Fourth Proportional to 4,280.16, 5,904.42 and 2,790.56

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Solution

The fourth proportional to 4,280.16, 5,904.42 and 2,790.56 is: 3,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.16 : 5,904.42 = 2,790.56 : x
  2. Step 2: Convert to fraction form
    4,280.16/5,904.42 = 2,790.56/x
  3. Step 3: Cross multiply
    4,280.16x = 5,904.42 × 2,790.56
  4. Step 4: Simplify right side
    4,280.16x = 16,476,638.28
  5. Step 5: Solve for x
    x = 16,476,638.28/4,280.16
  6. Step 6: Final answer
    x = 3,849.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.