Home / 3,328.95-4,995.10-2,219.12

Finding the Fourth Proportional to 3,328.95, 4,995.10 and 2,219.12

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Solution

The fourth proportional to 3,328.95, 4,995.10 and 2,219.12 is: 3,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.95 : 4,995.10 = 2,219.12 : x
  2. Step 2: Convert to fraction form
    3,328.95/4,995.10 = 2,219.12/x
  3. Step 3: Cross multiply
    3,328.95x = 4,995.10 × 2,219.12
  4. Step 4: Simplify right side
    3,328.95x = 11,084,726.31
  5. Step 5: Solve for x
    x = 11,084,726.31/3,328.95
  6. Step 6: Final answer
    x = 3,329.80

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1.5x scale

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.