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Finding the Fourth Proportional to 1,810.80, 2,710.16 and 1,375.52

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Solution

The fourth proportional to 1,810.80, 2,710.16 and 1,375.52 is: 2,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.80 : 2,710.16 = 1,375.52 : x
  2. Step 2: Convert to fraction form
    1,810.80/2,710.16 = 1,375.52/x
  3. Step 3: Cross multiply
    1,810.80x = 2,710.16 × 1,375.52
  4. Step 4: Simplify right side
    1,810.80x = 3,727,879.28
  5. Step 5: Solve for x
    x = 3,727,879.28/1,810.80
  6. Step 6: Final answer
    x = 2,058.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.