Home / 3,887.41-5,359.06-2,394.31

Finding the Fourth Proportional to 3,887.41, 5,359.06 and 2,394.31

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Solution

The fourth proportional to 3,887.41, 5,359.06 and 2,394.31 is: 3,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.41 : 5,359.06 = 2,394.31 : x
  2. Step 2: Convert to fraction form
    3,887.41/5,359.06 = 2,394.31/x
  3. Step 3: Cross multiply
    3,887.41x = 5,359.06 × 2,394.31
  4. Step 4: Simplify right side
    3,887.41x = 12,831,250.95
  5. Step 5: Solve for x
    x = 12,831,250.95/3,887.41
  6. Step 6: Final answer
    x = 3,300.72

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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.