Home / 3,887.57-5,364.64-2,208.93

Finding the Fourth Proportional to 3,887.57, 5,364.64 and 2,208.93

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Solution

The fourth proportional to 3,887.57, 5,364.64 and 2,208.93 is: 3,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.57 : 5,364.64 = 2,208.93 : x
  2. Step 2: Convert to fraction form
    3,887.57/5,364.64 = 2,208.93/x
  3. Step 3: Cross multiply
    3,887.57x = 5,364.64 × 2,208.93
  4. Step 4: Simplify right side
    3,887.57x = 11,850,114.24
  5. Step 5: Solve for x
    x = 11,850,114.24/3,887.57
  6. Step 6: Final answer
    x = 3,048.21

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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.