Home / 3,035.12-4,187.24-1,855.76

Finding the Fourth Proportional to 3,035.12, 4,187.24 and 1,855.76

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Solution

The fourth proportional to 3,035.12, 4,187.24 and 1,855.76 is: 2,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,035.12 : 4,187.24 = 1,855.76 : x
  2. Step 2: Convert to fraction form
    3,035.12/4,187.24 = 1,855.76/x
  3. Step 3: Cross multiply
    3,035.12x = 4,187.24 × 1,855.76
  4. Step 4: Simplify right side
    3,035.12x = 7,770,512.50
  5. Step 5: Solve for x
    x = 7,770,512.50/3,035.12
  6. Step 6: Final answer
    x = 2,560.20

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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.