Home / 4,069.20-5,616.23-2,390.75

Finding the Fourth Proportional to 4,069.20, 5,616.23 and 2,390.75

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Solution

The fourth proportional to 4,069.20, 5,616.23 and 2,390.75 is: 3,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.20 : 5,616.23 = 2,390.75 : x
  2. Step 2: Convert to fraction form
    4,069.20/5,616.23 = 2,390.75/x
  3. Step 3: Cross multiply
    4,069.20x = 5,616.23 × 2,390.75
  4. Step 4: Simplify right side
    4,069.20x = 13,426,961.84
  5. Step 5: Solve for x
    x = 13,426,961.84/4,069.20
  6. Step 6: Final answer
    x = 3,299.66

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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.