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Finding the Fourth Proportional to 2,700.51, 3,726.63 and 1,505.49

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Solution

The fourth proportional to 2,700.51, 3,726.63 and 1,505.49 is: 2,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.51 : 3,726.63 = 1,505.49 : x
  2. Step 2: Convert to fraction form
    2,700.51/3,726.63 = 1,505.49/x
  3. Step 3: Cross multiply
    2,700.51x = 3,726.63 × 1,505.49
  4. Step 4: Simplify right side
    2,700.51x = 5,610,394.46
  5. Step 5: Solve for x
    x = 5,610,394.46/2,700.51
  6. Step 6: Final answer
    x = 2,077.53

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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.