Home / 3,313.60-4,971.76-1,365.44

Finding the Fourth Proportional to 3,313.60, 4,971.76 and 1,365.44

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Solution

The fourth proportional to 3,313.60, 4,971.76 and 1,365.44 is: 2,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.60 : 4,971.76 = 1,365.44 : x
  2. Step 2: Convert to fraction form
    3,313.60/4,971.76 = 1,365.44/x
  3. Step 3: Cross multiply
    3,313.60x = 4,971.76 × 1,365.44
  4. Step 4: Simplify right side
    3,313.60x = 6,788,639.97
  5. Step 5: Solve for x
    x = 6,788,639.97/3,313.60
  6. Step 6: Final answer
    x = 2,048.72

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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.