Home / 2,471.10-3,408.15-2,099.31

Finding the Fourth Proportional to 2,471.10, 3,408.15 and 2,099.31

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Solution

The fourth proportional to 2,471.10, 3,408.15 and 2,099.31 is: 2,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.10 : 3,408.15 = 2,099.31 : x
  2. Step 2: Convert to fraction form
    2,471.10/3,408.15 = 2,099.31/x
  3. Step 3: Cross multiply
    2,471.10x = 3,408.15 × 2,099.31
  4. Step 4: Simplify right side
    2,471.10x = 7,154,744.36
  5. Step 5: Solve for x
    x = 7,154,744.36/2,471.10
  6. Step 6: Final answer
    x = 2,895.37

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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.