Home / 2,390.08-3,581.76-2,258.64

Finding the Fourth Proportional to 2,390.08, 3,581.76 and 2,258.64

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Solution

The fourth proportional to 2,390.08, 3,581.76 and 2,258.64 is: 3,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.08 : 3,581.76 = 2,258.64 : x
  2. Step 2: Convert to fraction form
    2,390.08/3,581.76 = 2,258.64/x
  3. Step 3: Cross multiply
    2,390.08x = 3,581.76 × 2,258.64
  4. Step 4: Simplify right side
    2,390.08x = 8,089,906.41
  5. Step 5: Solve for x
    x = 8,089,906.41/2,390.08
  6. Step 6: Final answer
    x = 3,384.78

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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.