Home / 2,471.40-3,409.83-1,423.26

Finding the Fourth Proportional to 2,471.40, 3,409.83 and 1,423.26

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Solution

The fourth proportional to 2,471.40, 3,409.83 and 1,423.26 is: 1,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.40 : 3,409.83 = 1,423.26 : x
  2. Step 2: Convert to fraction form
    2,471.40/3,409.83 = 1,423.26/x
  3. Step 3: Cross multiply
    2,471.40x = 3,409.83 × 1,423.26
  4. Step 4: Simplify right side
    2,471.40x = 4,853,074.65
  5. Step 5: Solve for x
    x = 4,853,074.65/2,471.40
  6. Step 6: Final answer
    x = 1,963.69

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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.