Home / 1,342.90-1,852.68-1,027.83

Finding the Fourth Proportional to 1,342.90, 1,852.68 and 1,027.83

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Solution

The fourth proportional to 1,342.90, 1,852.68 and 1,027.83 is: 1,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.90 : 1,852.68 = 1,027.83 : x
  2. Step 2: Convert to fraction form
    1,342.90/1,852.68 = 1,027.83/x
  3. Step 3: Cross multiply
    1,342.90x = 1,852.68 × 1,027.83
  4. Step 4: Simplify right side
    1,342.90x = 1,904,240.08
  5. Step 5: Solve for x
    x = 1,904,240.08/1,342.90
  6. Step 6: Final answer
    x = 1,418.01

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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.