Home / 3,779.38-5,216.97-2,207.50

Finding the Fourth Proportional to 3,779.38, 5,216.97 and 2,207.50

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Solution

The fourth proportional to 3,779.38, 5,216.97 and 2,207.50 is: 3,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.38 : 5,216.97 = 2,207.50 : x
  2. Step 2: Convert to fraction form
    3,779.38/5,216.97 = 2,207.50/x
  3. Step 3: Cross multiply
    3,779.38x = 5,216.97 × 2,207.50
  4. Step 4: Simplify right side
    3,779.38x = 11,516,461.28
  5. Step 5: Solve for x
    x = 11,516,461.28/3,779.38
  6. Step 6: Final answer
    x = 3,047.18

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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.