Home / 3,387.36-5,078.98-1,410.60

Finding the Fourth Proportional to 3,387.36, 5,078.98 and 1,410.60

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Solution

The fourth proportional to 3,387.36, 5,078.98 and 1,410.60 is: 2,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.36 : 5,078.98 = 1,410.60 : x
  2. Step 2: Convert to fraction form
    3,387.36/5,078.98 = 1,410.60/x
  3. Step 3: Cross multiply
    3,387.36x = 5,078.98 × 1,410.60
  4. Step 4: Simplify right side
    3,387.36x = 7,164,409.19
  5. Step 5: Solve for x
    x = 7,164,409.19/3,387.36
  6. Step 6: Final answer
    x = 2,115.04

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1.5x scale

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.