Home / 1,966.24-2,713.47-1,127.10

Finding the Fourth Proportional to 1,966.24, 2,713.47 and 1,127.10

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Solution

The fourth proportional to 1,966.24, 2,713.47 and 1,127.10 is: 1,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.24 : 2,713.47 = 1,127.10 : x
  2. Step 2: Convert to fraction form
    1,966.24/2,713.47 = 1,127.10/x
  3. Step 3: Cross multiply
    1,966.24x = 2,713.47 × 1,127.10
  4. Step 4: Simplify right side
    1,966.24x = 3,058,352.04
  5. Step 5: Solve for x
    x = 3,058,352.04/1,966.24
  6. Step 6: Final answer
    x = 1,555.44

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Why These Related Problems?

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