Home / 2,753.65-4,127.05-1,271.95

Finding the Fourth Proportional to 2,753.65, 4,127.05 and 1,271.95

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Solution

The fourth proportional to 2,753.65, 4,127.05 and 1,271.95 is: 1,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.65 : 4,127.05 = 1,271.95 : x
  2. Step 2: Convert to fraction form
    2,753.65/4,127.05 = 1,271.95/x
  3. Step 3: Cross multiply
    2,753.65x = 4,127.05 × 1,271.95
  4. Step 4: Simplify right side
    2,753.65x = 5,249,415.73
  5. Step 5: Solve for x
    x = 5,249,415.73/2,753.65
  6. Step 6: Final answer
    x = 1,906.35

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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.