Home / 3,887.15-5,362.47-2,394.50

Finding the Fourth Proportional to 3,887.15, 5,362.47 and 2,394.50

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Solution

The fourth proportional to 3,887.15, 5,362.47 and 2,394.50 is: 3,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.15 : 5,362.47 = 2,394.50 : x
  2. Step 2: Convert to fraction form
    3,887.15/5,362.47 = 2,394.50/x
  3. Step 3: Cross multiply
    3,887.15x = 5,362.47 × 2,394.50
  4. Step 4: Simplify right side
    3,887.15x = 12,840,407.60
  5. Step 5: Solve for x
    x = 12,840,407.60/3,887.15
  6. Step 6: Final answer
    x = 3,303.30

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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.