Home / 3,557.50-4,908.08-2,140.09

Finding the Fourth Proportional to 3,557.50, 4,908.08 and 2,140.09

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Solution

The fourth proportional to 3,557.50, 4,908.08 and 2,140.09 is: 2,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.50 : 4,908.08 = 2,140.09 : x
  2. Step 2: Convert to fraction form
    3,557.50/4,908.08 = 2,140.09/x
  3. Step 3: Cross multiply
    3,557.50x = 4,908.08 × 2,140.09
  4. Step 4: Simplify right side
    3,557.50x = 10,503,726.01
  5. Step 5: Solve for x
    x = 10,503,726.01/3,557.50
  6. Step 6: Final answer
    x = 2,952.56

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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.