Home / 2,770.04-4,145.34-2,115.56

Finding the Fourth Proportional to 2,770.04, 4,145.34 and 2,115.56

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Solution

The fourth proportional to 2,770.04, 4,145.34 and 2,115.56 is: 3,165.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.04 : 4,145.34 = 2,115.56 : x
  2. Step 2: Convert to fraction form
    2,770.04/4,145.34 = 2,115.56/x
  3. Step 3: Cross multiply
    2,770.04x = 4,145.34 × 2,115.56
  4. Step 4: Simplify right side
    2,770.04x = 8,769,715.49
  5. Step 5: Solve for x
    x = 8,769,715.49/2,770.04
  6. Step 6: Final answer
    x = 3,165.92

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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.