Home / 3,554.28-5,322.51-1,911.30

Finding the Fourth Proportional to 3,554.28, 5,322.51 and 1,911.30

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Solution

The fourth proportional to 3,554.28, 5,322.51 and 1,911.30 is: 2,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.28 : 5,322.51 = 1,911.30 : x
  2. Step 2: Convert to fraction form
    3,554.28/5,322.51 = 1,911.30/x
  3. Step 3: Cross multiply
    3,554.28x = 5,322.51 × 1,911.30
  4. Step 4: Simplify right side
    3,554.28x = 10,172,913.36
  5. Step 5: Solve for x
    x = 10,172,913.36/3,554.28
  6. Step 6: Final answer
    x = 2,862.16

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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.