Home / 3,468.30-4,785.93-1,976.55

Finding the Fourth Proportional to 3,468.30, 4,785.93 and 1,976.55

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Solution

The fourth proportional to 3,468.30, 4,785.93 and 1,976.55 is: 2,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.30 : 4,785.93 = 1,976.55 : x
  2. Step 2: Convert to fraction form
    3,468.30/4,785.93 = 1,976.55/x
  3. Step 3: Cross multiply
    3,468.30x = 4,785.93 × 1,976.55
  4. Step 4: Simplify right side
    3,468.30x = 9,459,629.94
  5. Step 5: Solve for x
    x = 9,459,629.94/3,468.30
  6. Step 6: Final answer
    x = 2,727.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.