Home / 4,121.45-5,687.83-2,353.63

Finding the Fourth Proportional to 4,121.45, 5,687.83 and 2,353.63

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Solution

The fourth proportional to 4,121.45, 5,687.83 and 2,353.63 is: 3,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.45 : 5,687.83 = 2,353.63 : x
  2. Step 2: Convert to fraction form
    4,121.45/5,687.83 = 2,353.63/x
  3. Step 3: Cross multiply
    4,121.45x = 5,687.83 × 2,353.63
  4. Step 4: Simplify right side
    4,121.45x = 13,387,047.32
  5. Step 5: Solve for x
    x = 13,387,047.32/4,121.45
  6. Step 6: Final answer
    x = 3,248.14

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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.