Home / 3,260.11-4,890.91-1,411.53

Finding the Fourth Proportional to 3,260.11, 4,890.91 and 1,411.53

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Solution

The fourth proportional to 3,260.11, 4,890.91 and 1,411.53 is: 2,117.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.11 : 4,890.91 = 1,411.53 : x
  2. Step 2: Convert to fraction form
    3,260.11/4,890.91 = 1,411.53/x
  3. Step 3: Cross multiply
    3,260.11x = 4,890.91 × 1,411.53
  4. Step 4: Simplify right side
    3,260.11x = 6,903,643.00
  5. Step 5: Solve for x
    x = 6,903,643.00/3,260.11
  6. Step 6: Final answer
    x = 2,117.61

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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.