Home / 3,528.64-5,293.20-1,219.36

Finding the Fourth Proportional to 3,528.64, 5,293.20 and 1,219.36

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Solution

The fourth proportional to 3,528.64, 5,293.20 and 1,219.36 is: 1,829.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.64 : 5,293.20 = 1,219.36 : x
  2. Step 2: Convert to fraction form
    3,528.64/5,293.20 = 1,219.36/x
  3. Step 3: Cross multiply
    3,528.64x = 5,293.20 × 1,219.36
  4. Step 4: Simplify right side
    3,528.64x = 6,454,316.35
  5. Step 5: Solve for x
    x = 6,454,316.35/3,528.64
  6. Step 6: Final answer
    x = 1,829.12

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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.