Home / 3,839.15-5,296.86-2,345.48

Finding the Fourth Proportional to 3,839.15, 5,296.86 and 2,345.48

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Solution

The fourth proportional to 3,839.15, 5,296.86 and 2,345.48 is: 3,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.15 : 5,296.86 = 2,345.48 : x
  2. Step 2: Convert to fraction form
    3,839.15/5,296.86 = 2,345.48/x
  3. Step 3: Cross multiply
    3,839.15x = 5,296.86 × 2,345.48
  4. Step 4: Simplify right side
    3,839.15x = 12,423,679.19
  5. Step 5: Solve for x
    x = 12,423,679.19/3,839.15
  6. Step 6: Final answer
    x = 3,236.05

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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.