Home / 2,135.37-3,203.12-964.11

Finding the Fourth Proportional to 2,135.37, 3,203.12 and 964.11

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Solution

The fourth proportional to 2,135.37, 3,203.12 and 964.11 is: 1,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.37 : 3,203.12 = 964.11 : x
  2. Step 2: Convert to fraction form
    2,135.37/3,203.12 = 964.11/x
  3. Step 3: Cross multiply
    2,135.37x = 3,203.12 × 964.11
  4. Step 4: Simplify right side
    2,135.37x = 3,088,160.02
  5. Step 5: Solve for x
    x = 3,088,160.02/2,135.37
  6. Step 6: Final answer
    x = 1,446.19

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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.