Home / 1,471.42-2,195.93-1,411.87

Finding the Fourth Proportional to 1,471.42, 2,195.93 and 1,411.87

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Solution

The fourth proportional to 1,471.42, 2,195.93 and 1,411.87 is: 2,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.42 : 2,195.93 = 1,411.87 : x
  2. Step 2: Convert to fraction form
    1,471.42/2,195.93 = 1,411.87/x
  3. Step 3: Cross multiply
    1,471.42x = 2,195.93 × 1,411.87
  4. Step 4: Simplify right side
    1,471.42x = 3,100,367.69
  5. Step 5: Solve for x
    x = 3,100,367.69/1,471.42
  6. Step 6: Final answer
    x = 2,107.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.