Home / 3,358.10-5,036.34-1,409.78

Finding the Fourth Proportional to 3,358.10, 5,036.34 and 1,409.78

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Solution

The fourth proportional to 3,358.10, 5,036.34 and 1,409.78 is: 2,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.10 : 5,036.34 = 1,409.78 : x
  2. Step 2: Convert to fraction form
    3,358.10/5,036.34 = 1,409.78/x
  3. Step 3: Cross multiply
    3,358.10x = 5,036.34 × 1,409.78
  4. Step 4: Simplify right side
    3,358.10x = 7,100,131.41
  5. Step 5: Solve for x
    x = 7,100,131.41/3,358.10
  6. Step 6: Final answer
    x = 2,114.33

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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.