Home / 3,150.42-4,349.07-2,103.18

Finding the Fourth Proportional to 3,150.42, 4,349.07 and 2,103.18

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Solution

The fourth proportional to 3,150.42, 4,349.07 and 2,103.18 is: 2,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.42 : 4,349.07 = 2,103.18 : x
  2. Step 2: Convert to fraction form
    3,150.42/4,349.07 = 2,103.18/x
  3. Step 3: Cross multiply
    3,150.42x = 4,349.07 × 2,103.18
  4. Step 4: Simplify right side
    3,150.42x = 9,146,877.04
  5. Step 5: Solve for x
    x = 9,146,877.04/3,150.42
  6. Step 6: Final answer
    x = 2,903.38

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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.