Home / 2,916.57-4,372.98-2,126.22

Finding the Fourth Proportional to 2,916.57, 4,372.98 and 2,126.22

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Solution

The fourth proportional to 2,916.57, 4,372.98 and 2,126.22 is: 3,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.57 : 4,372.98 = 2,126.22 : x
  2. Step 2: Convert to fraction form
    2,916.57/4,372.98 = 2,126.22/x
  3. Step 3: Cross multiply
    2,916.57x = 4,372.98 × 2,126.22
  4. Step 4: Simplify right side
    2,916.57x = 9,297,917.54
  5. Step 5: Solve for x
    x = 9,297,917.54/2,916.57
  6. Step 6: Final answer
    x = 3,187.96

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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.