Home / 1,486.23-2,046.32-1,261.69

Finding the Fourth Proportional to 1,486.23, 2,046.32 and 1,261.69

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Solution

The fourth proportional to 1,486.23, 2,046.32 and 1,261.69 is: 1,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.23 : 2,046.32 = 1,261.69 : x
  2. Step 2: Convert to fraction form
    1,486.23/2,046.32 = 1,261.69/x
  3. Step 3: Cross multiply
    1,486.23x = 2,046.32 × 1,261.69
  4. Step 4: Simplify right side
    1,486.23x = 2,581,833.88
  5. Step 5: Solve for x
    x = 2,581,833.88/1,486.23
  6. Step 6: Final answer
    x = 1,737.18

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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.