Home / 1,952.16-2,693.52-1,427.28

Finding the Fourth Proportional to 1,952.16, 2,693.52 and 1,427.28

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Solution

The fourth proportional to 1,952.16, 2,693.52 and 1,427.28 is: 1,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.16 : 2,693.52 = 1,427.28 : x
  2. Step 2: Convert to fraction form
    1,952.16/2,693.52 = 1,427.28/x
  3. Step 3: Cross multiply
    1,952.16x = 2,693.52 × 1,427.28
  4. Step 4: Simplify right side
    1,952.16x = 3,844,407.23
  5. Step 5: Solve for x
    x = 3,844,407.23/1,952.16
  6. Step 6: Final answer
    x = 1,969.31

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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.