Home / 3,803.57-5,249.12-2,125.01

Finding the Fourth Proportional to 3,803.57, 5,249.12 and 2,125.01

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Solution

The fourth proportional to 3,803.57, 5,249.12 and 2,125.01 is: 2,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.57 : 5,249.12 = 2,125.01 : x
  2. Step 2: Convert to fraction form
    3,803.57/5,249.12 = 2,125.01/x
  3. Step 3: Cross multiply
    3,803.57x = 5,249.12 × 2,125.01
  4. Step 4: Simplify right side
    3,803.57x = 11,154,411.56
  5. Step 5: Solve for x
    x = 11,154,411.56/3,803.57
  6. Step 6: Final answer
    x = 2,932.62

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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.