Home / 3,069.20-4,595.70-2,415.80

Finding the Fourth Proportional to 3,069.20, 4,595.70 and 2,415.80

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Solution

The fourth proportional to 3,069.20, 4,595.70 and 2,415.80 is: 3,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.20 : 4,595.70 = 2,415.80 : x
  2. Step 2: Convert to fraction form
    3,069.20/4,595.70 = 2,415.80/x
  3. Step 3: Cross multiply
    3,069.20x = 4,595.70 × 2,415.80
  4. Step 4: Simplify right side
    3,069.20x = 11,102,292.06
  5. Step 5: Solve for x
    x = 11,102,292.06/3,069.20
  6. Step 6: Final answer
    x = 3,617.32

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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.