Home / 1,841.02-2,539.86-1,177.72

Finding the Fourth Proportional to 1,841.02, 2,539.86 and 1,177.72

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Solution

The fourth proportional to 1,841.02, 2,539.86 and 1,177.72 is: 1,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.02 : 2,539.86 = 1,177.72 : x
  2. Step 2: Convert to fraction form
    1,841.02/2,539.86 = 1,177.72/x
  3. Step 3: Cross multiply
    1,841.02x = 2,539.86 × 1,177.72
  4. Step 4: Simplify right side
    1,841.02x = 2,991,243.92
  5. Step 5: Solve for x
    x = 2,991,243.92/1,841.02
  6. Step 6: Final answer
    x = 1,624.78

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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.