Home / 4,187.24-5,779.20-2,770.96

Finding the Fourth Proportional to 4,187.24, 5,779.20 and 2,770.96

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Solution

The fourth proportional to 4,187.24, 5,779.20 and 2,770.96 is: 3,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.24 : 5,779.20 = 2,770.96 : x
  2. Step 2: Convert to fraction form
    4,187.24/5,779.20 = 2,770.96/x
  3. Step 3: Cross multiply
    4,187.24x = 5,779.20 × 2,770.96
  4. Step 4: Simplify right side
    4,187.24x = 16,013,889.28
  5. Step 5: Solve for x
    x = 16,013,889.28/4,187.24
  6. Step 6: Final answer
    x = 3,824.45

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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.