Home / 3,896.10-5,373.79-2,403.47

Finding the Fourth Proportional to 3,896.10, 5,373.79 and 2,403.47

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Solution

The fourth proportional to 3,896.10, 5,373.79 and 2,403.47 is: 3,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.10 : 5,373.79 = 2,403.47 : x
  2. Step 2: Convert to fraction form
    3,896.10/5,373.79 = 2,403.47/x
  3. Step 3: Cross multiply
    3,896.10x = 5,373.79 × 2,403.47
  4. Step 4: Simplify right side
    3,896.10x = 12,915,764.00
  5. Step 5: Solve for x
    x = 12,915,764.00/3,896.10
  6. Step 6: Final answer
    x = 3,315.05

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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.