Home / 3,887.06-5,364.52-2,395.98

Finding the Fourth Proportional to 3,887.06, 5,364.52 and 2,395.98

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Solution

The fourth proportional to 3,887.06, 5,364.52 and 2,395.98 is: 3,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.06 : 5,364.52 = 2,395.98 : x
  2. Step 2: Convert to fraction form
    3,887.06/5,364.52 = 2,395.98/x
  3. Step 3: Cross multiply
    3,887.06x = 5,364.52 × 2,395.98
  4. Step 4: Simplify right side
    3,887.06x = 12,853,282.63
  5. Step 5: Solve for x
    x = 12,853,282.63/3,887.06
  6. Step 6: Final answer
    x = 3,306.68

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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.