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Finding the Fourth Proportional to 2,740.88, 3,782.47 and 1,498.88

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Solution

The fourth proportional to 2,740.88, 3,782.47 and 1,498.88 is: 2,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.88 : 3,782.47 = 1,498.88 : x
  2. Step 2: Convert to fraction form
    2,740.88/3,782.47 = 1,498.88/x
  3. Step 3: Cross multiply
    2,740.88x = 3,782.47 × 1,498.88
  4. Step 4: Simplify right side
    2,740.88x = 5,669,449.72
  5. Step 5: Solve for x
    x = 5,669,449.72/2,740.88
  6. Step 6: Final answer
    x = 2,068.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.