Home / 3,103.60-4,284.48-2,438.32

Finding the Fourth Proportional to 3,103.60, 4,284.48 and 2,438.32

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Solution

The fourth proportional to 3,103.60, 4,284.48 and 2,438.32 is: 3,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.60 : 4,284.48 = 2,438.32 : x
  2. Step 2: Convert to fraction form
    3,103.60/4,284.48 = 2,438.32/x
  3. Step 3: Cross multiply
    3,103.60x = 4,284.48 × 2,438.32
  4. Step 4: Simplify right side
    3,103.60x = 10,446,933.27
  5. Step 5: Solve for x
    x = 10,446,933.27/3,103.60
  6. Step 6: Final answer
    x = 3,366.07

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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.