Home / 3,467.40-4,781.58-2,140.82

Finding the Fourth Proportional to 3,467.40, 4,781.58 and 2,140.82

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Solution

The fourth proportional to 3,467.40, 4,781.58 and 2,140.82 is: 2,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.40 : 4,781.58 = 2,140.82 : x
  2. Step 2: Convert to fraction form
    3,467.40/4,781.58 = 2,140.82/x
  3. Step 3: Cross multiply
    3,467.40x = 4,781.58 × 2,140.82
  4. Step 4: Simplify right side
    3,467.40x = 10,236,502.10
  5. Step 5: Solve for x
    x = 10,236,502.10/3,467.40
  6. Step 6: Final answer
    x = 2,952.21

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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.