Home / 1,842.74-2,761.35-1,577.61

Finding the Fourth Proportional to 1,842.74, 2,761.35 and 1,577.61

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Solution

The fourth proportional to 1,842.74, 2,761.35 and 1,577.61 is: 2,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.74 : 2,761.35 = 1,577.61 : x
  2. Step 2: Convert to fraction form
    1,842.74/2,761.35 = 1,577.61/x
  3. Step 3: Cross multiply
    1,842.74x = 2,761.35 × 1,577.61
  4. Step 4: Simplify right side
    1,842.74x = 4,356,333.37
  5. Step 5: Solve for x
    x = 4,356,333.37/1,842.74
  6. Step 6: Final answer
    x = 2,364.06

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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.