Home / 3,165.89-4,749.37-1,411.53

Finding the Fourth Proportional to 3,165.89, 4,749.37 and 1,411.53

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Solution

The fourth proportional to 3,165.89, 4,749.37 and 1,411.53 is: 2,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.89 : 4,749.37 = 1,411.53 : x
  2. Step 2: Convert to fraction form
    3,165.89/4,749.37 = 1,411.53/x
  3. Step 3: Cross multiply
    3,165.89x = 4,749.37 × 1,411.53
  4. Step 4: Simplify right side
    3,165.89x = 6,703,856.90
  5. Step 5: Solve for x
    x = 6,703,856.90/3,165.89
  6. Step 6: Final answer
    x = 2,117.53

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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.