Home / 3,355.59-5,033.37-1,406.40

Finding the Fourth Proportional to 3,355.59, 5,033.37 and 1,406.40

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Solution

The fourth proportional to 3,355.59, 5,033.37 and 1,406.40 is: 2,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.59 : 5,033.37 = 1,406.40 : x
  2. Step 2: Convert to fraction form
    3,355.59/5,033.37 = 1,406.40/x
  3. Step 3: Cross multiply
    3,355.59x = 5,033.37 × 1,406.40
  4. Step 4: Simplify right side
    3,355.59x = 7,078,931.57
  5. Step 5: Solve for x
    x = 7,078,931.57/3,355.59
  6. Step 6: Final answer
    x = 2,109.59

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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.