Home / 2,989.13-4,474.11-1,598.99

Finding the Fourth Proportional to 2,989.13, 4,474.11 and 1,598.99

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Solution

The fourth proportional to 2,989.13, 4,474.11 and 1,598.99 is: 2,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.13 : 4,474.11 = 1,598.99 : x
  2. Step 2: Convert to fraction form
    2,989.13/4,474.11 = 1,598.99/x
  3. Step 3: Cross multiply
    2,989.13x = 4,474.11 × 1,598.99
  4. Step 4: Simplify right side
    2,989.13x = 7,154,057.15
  5. Step 5: Solve for x
    x = 7,154,057.15/2,989.13
  6. Step 6: Final answer
    x = 2,393.36

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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.