Home / 3,855.30-5,777.24-1,770.16

Finding the Fourth Proportional to 3,855.30, 5,777.24 and 1,770.16

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Solution

The fourth proportional to 3,855.30, 5,777.24 and 1,770.16 is: 2,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.30 : 5,777.24 = 1,770.16 : x
  2. Step 2: Convert to fraction form
    3,855.30/5,777.24 = 1,770.16/x
  3. Step 3: Cross multiply
    3,855.30x = 5,777.24 × 1,770.16
  4. Step 4: Simplify right side
    3,855.30x = 10,226,639.16
  5. Step 5: Solve for x
    x = 10,226,639.16/3,855.30
  6. Step 6: Final answer
    x = 2,652.62

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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.