Home / 2,701.49-4,046.81-1,238.63

Finding the Fourth Proportional to 2,701.49, 4,046.81 and 1,238.63

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Solution

The fourth proportional to 2,701.49, 4,046.81 and 1,238.63 is: 1,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.49 : 4,046.81 = 1,238.63 : x
  2. Step 2: Convert to fraction form
    2,701.49/4,046.81 = 1,238.63/x
  3. Step 3: Cross multiply
    2,701.49x = 4,046.81 × 1,238.63
  4. Step 4: Simplify right side
    2,701.49x = 5,012,473.84
  5. Step 5: Solve for x
    x = 5,012,473.84/2,701.49
  6. Step 6: Final answer
    x = 1,855.45

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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.