Home / 3,887.70-5,364.99-2,395.02

Finding the Fourth Proportional to 3,887.70, 5,364.99 and 2,395.02

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Solution

The fourth proportional to 3,887.70, 5,364.99 and 2,395.02 is: 3,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.70 : 5,364.99 = 2,395.02 : x
  2. Step 2: Convert to fraction form
    3,887.70/5,364.99 = 2,395.02/x
  3. Step 3: Cross multiply
    3,887.70x = 5,364.99 × 2,395.02
  4. Step 4: Simplify right side
    3,887.70x = 12,849,258.35
  5. Step 5: Solve for x
    x = 12,849,258.35/3,887.70
  6. Step 6: Final answer
    x = 3,305.11

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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.