Home / 3,328.02-4,990.23-1,019.22

Finding the Fourth Proportional to 3,328.02, 4,990.23 and 1,019.22

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Solution

The fourth proportional to 3,328.02, 4,990.23 and 1,019.22 is: 1,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.02 : 4,990.23 = 1,019.22 : x
  2. Step 2: Convert to fraction form
    3,328.02/4,990.23 = 1,019.22/x
  3. Step 3: Cross multiply
    3,328.02x = 4,990.23 × 1,019.22
  4. Step 4: Simplify right side
    3,328.02x = 5,086,142.22
  5. Step 5: Solve for x
    x = 5,086,142.22/3,328.02
  6. Step 6: Final answer
    x = 1,528.28

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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.