Home / 3,124.11-4,687.46-1,368.21

Finding the Fourth Proportional to 3,124.11, 4,687.46 and 1,368.21

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Solution

The fourth proportional to 3,124.11, 4,687.46 and 1,368.21 is: 2,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.11 : 4,687.46 = 1,368.21 : x
  2. Step 2: Convert to fraction form
    3,124.11/4,687.46 = 1,368.21/x
  3. Step 3: Cross multiply
    3,124.11x = 4,687.46 × 1,368.21
  4. Step 4: Simplify right side
    3,124.11x = 6,413,410.36
  5. Step 5: Solve for x
    x = 6,413,410.36/3,124.11
  6. Step 6: Final answer
    x = 2,052.88

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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.