Home / 3,479.24-4,801.85-2,153.37

Finding the Fourth Proportional to 3,479.24, 4,801.85 and 2,153.37

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Solution

The fourth proportional to 3,479.24, 4,801.85 and 2,153.37 is: 2,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.24 : 4,801.85 = 2,153.37 : x
  2. Step 2: Convert to fraction form
    3,479.24/4,801.85 = 2,153.37/x
  3. Step 3: Cross multiply
    3,479.24x = 4,801.85 × 2,153.37
  4. Step 4: Simplify right side
    3,479.24x = 10,340,159.73
  5. Step 5: Solve for x
    x = 10,340,159.73/3,479.24
  6. Step 6: Final answer
    x = 2,971.96

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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.