Home / 3,464.61-4,781.23-2,120.45

Finding the Fourth Proportional to 3,464.61, 4,781.23 and 2,120.45

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Solution

The fourth proportional to 3,464.61, 4,781.23 and 2,120.45 is: 2,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.61 : 4,781.23 = 2,120.45 : x
  2. Step 2: Convert to fraction form
    3,464.61/4,781.23 = 2,120.45/x
  3. Step 3: Cross multiply
    3,464.61x = 4,781.23 × 2,120.45
  4. Step 4: Simplify right side
    3,464.61x = 10,138,329.95
  5. Step 5: Solve for x
    x = 10,138,329.95/3,464.61
  6. Step 6: Final answer
    x = 2,926.26

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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.