Home / 3,403.64-4,698.20-2,146.80

Finding the Fourth Proportional to 3,403.64, 4,698.20 and 2,146.80

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Solution

The fourth proportional to 3,403.64, 4,698.20 and 2,146.80 is: 2,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.64 : 4,698.20 = 2,146.80 : x
  2. Step 2: Convert to fraction form
    3,403.64/4,698.20 = 2,146.80/x
  3. Step 3: Cross multiply
    3,403.64x = 4,698.20 × 2,146.80
  4. Step 4: Simplify right side
    3,403.64x = 10,086,095.76
  5. Step 5: Solve for x
    x = 10,086,095.76/3,403.64
  6. Step 6: Final answer
    x = 2,963.33

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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.