Home / 4,280.85-5,904.84-2,770.38

Finding the Fourth Proportional to 4,280.85, 5,904.84 and 2,770.38

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Solution

The fourth proportional to 4,280.85, 5,904.84 and 2,770.38 is: 3,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.85 : 5,904.84 = 2,770.38 : x
  2. Step 2: Convert to fraction form
    4,280.85/5,904.84 = 2,770.38/x
  3. Step 3: Cross multiply
    4,280.85x = 5,904.84 × 2,770.38
  4. Step 4: Simplify right side
    4,280.85x = 16,358,650.64
  5. Step 5: Solve for x
    x = 16,358,650.64/4,280.85
  6. Step 6: Final answer
    x = 3,821.36

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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.