Home / 3,410.76-5,116.80-1,330.68

Finding the Fourth Proportional to 3,410.76, 5,116.80 and 1,330.68

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Solution

The fourth proportional to 3,410.76, 5,116.80 and 1,330.68 is: 1,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.76 : 5,116.80 = 1,330.68 : x
  2. Step 2: Convert to fraction form
    3,410.76/5,116.80 = 1,330.68/x
  3. Step 3: Cross multiply
    3,410.76x = 5,116.80 × 1,330.68
  4. Step 4: Simplify right side
    3,410.76x = 6,808,823.42
  5. Step 5: Solve for x
    x = 6,808,823.42/3,410.76
  6. Step 6: Final answer
    x = 1,996.28

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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.