Home / 2,989.02-4,125.09-1,662.99

Finding the Fourth Proportional to 2,989.02, 4,125.09 and 1,662.99

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Solution

The fourth proportional to 2,989.02, 4,125.09 and 1,662.99 is: 2,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.02 : 4,125.09 = 1,662.99 : x
  2. Step 2: Convert to fraction form
    2,989.02/4,125.09 = 1,662.99/x
  3. Step 3: Cross multiply
    2,989.02x = 4,125.09 × 1,662.99
  4. Step 4: Simplify right side
    2,989.02x = 6,859,983.42
  5. Step 5: Solve for x
    x = 6,859,983.42/2,989.02
  6. Step 6: Final answer
    x = 2,295.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.