Home / 3,237.42-4,865.22-1,921.36

Finding the Fourth Proportional to 3,237.42, 4,865.22 and 1,921.36

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Solution

The fourth proportional to 3,237.42, 4,865.22 and 1,921.36 is: 2,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.42 : 4,865.22 = 1,921.36 : x
  2. Step 2: Convert to fraction form
    3,237.42/4,865.22 = 1,921.36/x
  3. Step 3: Cross multiply
    3,237.42x = 4,865.22 × 1,921.36
  4. Step 4: Simplify right side
    3,237.42x = 9,347,839.10
  5. Step 5: Solve for x
    x = 9,347,839.10/3,237.42
  6. Step 6: Final answer
    x = 2,887.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.