Home / 3,298.26-4,549.41-2,120.82

Finding the Fourth Proportional to 3,298.26, 4,549.41 and 2,120.82

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Solution

The fourth proportional to 3,298.26, 4,549.41 and 2,120.82 is: 2,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.26 : 4,549.41 = 2,120.82 : x
  2. Step 2: Convert to fraction form
    3,298.26/4,549.41 = 2,120.82/x
  3. Step 3: Cross multiply
    3,298.26x = 4,549.41 × 2,120.82
  4. Step 4: Simplify right side
    3,298.26x = 9,648,479.72
  5. Step 5: Solve for x
    x = 9,648,479.72/3,298.26
  6. Step 6: Final answer
    x = 2,925.32

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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.