Home / 1,471.42-2,205.06-1,161.91

Finding the Fourth Proportional to 1,471.42, 2,205.06 and 1,161.91

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Solution

The fourth proportional to 1,471.42, 2,205.06 and 1,161.91 is: 1,741.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.42 : 2,205.06 = 1,161.91 : x
  2. Step 2: Convert to fraction form
    1,471.42/2,205.06 = 1,161.91/x
  3. Step 3: Cross multiply
    1,471.42x = 2,205.06 × 1,161.91
  4. Step 4: Simplify right side
    1,471.42x = 2,562,081.26
  5. Step 5: Solve for x
    x = 2,562,081.26/1,471.42
  6. Step 6: Final answer
    x = 1,741.23

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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.