Home / 3,108.30-4,289.36-1,711.04

Finding the Fourth Proportional to 3,108.30, 4,289.36 and 1,711.04

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Solution

The fourth proportional to 3,108.30, 4,289.36 and 1,711.04 is: 2,361.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.30 : 4,289.36 = 1,711.04 : x
  2. Step 2: Convert to fraction form
    3,108.30/4,289.36 = 1,711.04/x
  3. Step 3: Cross multiply
    3,108.30x = 4,289.36 × 1,711.04
  4. Step 4: Simplify right side
    3,108.30x = 7,339,266.53
  5. Step 5: Solve for x
    x = 7,339,266.53/3,108.30
  6. Step 6: Final answer
    x = 2,361.18

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1.5x scale

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.