Home / 2,219.02-3,328.55-575.46

Finding the Fourth Proportional to 2,219.02, 3,328.55 and 575.46

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Solution

The fourth proportional to 2,219.02, 3,328.55 and 575.46 is: 863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.02 : 3,328.55 = 575.46 : x
  2. Step 2: Convert to fraction form
    2,219.02/3,328.55 = 575.46/x
  3. Step 3: Cross multiply
    2,219.02x = 3,328.55 × 575.46
  4. Step 4: Simplify right side
    2,219.02x = 1,915,459.15
  5. Step 5: Solve for x
    x = 1,915,459.15/2,219.02
  6. Step 6: Final answer
    x = 863.20

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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.