Home / 3,520.18-4,858.59-2,930.14

Finding the Fourth Proportional to 3,520.18, 4,858.59 and 2,930.14

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Solution

The fourth proportional to 3,520.18, 4,858.59 and 2,930.14 is: 4,044.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.18 : 4,858.59 = 2,930.14 : x
  2. Step 2: Convert to fraction form
    3,520.18/4,858.59 = 2,930.14/x
  3. Step 3: Cross multiply
    3,520.18x = 4,858.59 × 2,930.14
  4. Step 4: Simplify right side
    3,520.18x = 14,236,348.90
  5. Step 5: Solve for x
    x = 14,236,348.90/3,520.18
  6. Step 6: Final answer
    x = 4,044.21

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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.