Home / 1,852.82-2,557.40-1,107.28

Finding the Fourth Proportional to 1,852.82, 2,557.40 and 1,107.28

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Solution

The fourth proportional to 1,852.82, 2,557.40 and 1,107.28 is: 1,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.82 : 2,557.40 = 1,107.28 : x
  2. Step 2: Convert to fraction form
    1,852.82/2,557.40 = 1,107.28/x
  3. Step 3: Cross multiply
    1,852.82x = 2,557.40 × 1,107.28
  4. Step 4: Simplify right side
    1,852.82x = 2,831,757.87
  5. Step 5: Solve for x
    x = 2,831,757.87/1,852.82
  6. Step 6: Final answer
    x = 1,528.35

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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.