Home / 3,843.48-5,303.88-2,351.40

Finding the Fourth Proportional to 3,843.48, 5,303.88 and 2,351.40

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Solution

The fourth proportional to 3,843.48, 5,303.88 and 2,351.40 is: 3,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.48 : 5,303.88 = 2,351.40 : x
  2. Step 2: Convert to fraction form
    3,843.48/5,303.88 = 2,351.40/x
  3. Step 3: Cross multiply
    3,843.48x = 5,303.88 × 2,351.40
  4. Step 4: Simplify right side
    3,843.48x = 12,471,543.43
  5. Step 5: Solve for x
    x = 12,471,543.43/3,843.48
  6. Step 6: Final answer
    x = 3,244.86

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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.