Home / 2,219.16-3,328.65-575.58

Finding the Fourth Proportional to 2,219.16, 3,328.65 and 575.58

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Solution

The fourth proportional to 2,219.16, 3,328.65 and 575.58 is: 863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.16 : 3,328.65 = 575.58 : x
  2. Step 2: Convert to fraction form
    2,219.16/3,328.65 = 575.58/x
  3. Step 3: Cross multiply
    2,219.16x = 3,328.65 × 575.58
  4. Step 4: Simplify right side
    2,219.16x = 1,915,904.37
  5. Step 5: Solve for x
    x = 1,915,904.37/2,219.16
  6. Step 6: Final answer
    x = 863.35

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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.