Home / 3,372.19-4,656.49-2,115.35

Finding the Fourth Proportional to 3,372.19, 4,656.49 and 2,115.35

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Solution

The fourth proportional to 3,372.19, 4,656.49 and 2,115.35 is: 2,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.19 : 4,656.49 = 2,115.35 : x
  2. Step 2: Convert to fraction form
    3,372.19/4,656.49 = 2,115.35/x
  3. Step 3: Cross multiply
    3,372.19x = 4,656.49 × 2,115.35
  4. Step 4: Simplify right side
    3,372.19x = 9,850,106.12
  5. Step 5: Solve for x
    x = 9,850,106.12/3,372.19
  6. Step 6: Final answer
    x = 2,920.98

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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.