Home / 3,468.02-5,201.39-1,129.68

Finding the Fourth Proportional to 3,468.02, 5,201.39 and 1,129.68

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Solution

The fourth proportional to 3,468.02, 5,201.39 and 1,129.68 is: 1,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.02 : 5,201.39 = 1,129.68 : x
  2. Step 2: Convert to fraction form
    3,468.02/5,201.39 = 1,129.68/x
  3. Step 3: Cross multiply
    3,468.02x = 5,201.39 × 1,129.68
  4. Step 4: Simplify right side
    3,468.02x = 5,875,909.08
  5. Step 5: Solve for x
    x = 5,875,909.08/3,468.02
  6. Step 6: Final answer
    x = 1,694.31

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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.