Home / 3,464.10-4,780.49-1,972.12

Finding the Fourth Proportional to 3,464.10, 4,780.49 and 1,972.12

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Solution

The fourth proportional to 3,464.10, 4,780.49 and 1,972.12 is: 2,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.10 : 4,780.49 = 1,972.12 : x
  2. Step 2: Convert to fraction form
    3,464.10/4,780.49 = 1,972.12/x
  3. Step 3: Cross multiply
    3,464.10x = 4,780.49 × 1,972.12
  4. Step 4: Simplify right side
    3,464.10x = 9,427,690.29
  5. Step 5: Solve for x
    x = 9,427,690.29/3,464.10
  6. Step 6: Final answer
    x = 2,721.54

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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.