Home / 2,916.96-4,380.66-2,799.51

Finding the Fourth Proportional to 2,916.96, 4,380.66 and 2,799.51

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Solution

The fourth proportional to 2,916.96, 4,380.66 and 2,799.51 is: 4,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.96 : 4,380.66 = 2,799.51 : x
  2. Step 2: Convert to fraction form
    2,916.96/4,380.66 = 2,799.51/x
  3. Step 3: Cross multiply
    2,916.96x = 4,380.66 × 2,799.51
  4. Step 4: Simplify right side
    2,916.96x = 12,263,701.48
  5. Step 5: Solve for x
    x = 12,263,701.48/2,916.96
  6. Step 6: Final answer
    x = 4,204.27

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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.