Home / 3,077.22-4,246.56-1,898.29

Finding the Fourth Proportional to 3,077.22, 4,246.56 and 1,898.29

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Solution

The fourth proportional to 3,077.22, 4,246.56 and 1,898.29 is: 2,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.22 : 4,246.56 = 1,898.29 : x
  2. Step 2: Convert to fraction form
    3,077.22/4,246.56 = 1,898.29/x
  3. Step 3: Cross multiply
    3,077.22x = 4,246.56 × 1,898.29
  4. Step 4: Simplify right side
    3,077.22x = 8,061,202.38
  5. Step 5: Solve for x
    x = 8,061,202.38/3,077.22
  6. Step 6: Final answer
    x = 2,619.64

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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.