Home / 1,800.08-2,705.52-1,761.74

Finding the Fourth Proportional to 1,800.08, 2,705.52 and 1,761.74

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Solution

The fourth proportional to 1,800.08, 2,705.52 and 1,761.74 is: 2,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.08 : 2,705.52 = 1,761.74 : x
  2. Step 2: Convert to fraction form
    1,800.08/2,705.52 = 1,761.74/x
  3. Step 3: Cross multiply
    1,800.08x = 2,705.52 × 1,761.74
  4. Step 4: Simplify right side
    1,800.08x = 4,766,422.80
  5. Step 5: Solve for x
    x = 4,766,422.80/1,800.08
  6. Step 6: Final answer
    x = 2,647.89

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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.