Home / 2,171.12-3,256.36-632.24

Finding the Fourth Proportional to 2,171.12, 3,256.36 and 632.24

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Solution

The fourth proportional to 2,171.12, 3,256.36 and 632.24 is: 948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.12 : 3,256.36 = 632.24 : x
  2. Step 2: Convert to fraction form
    2,171.12/3,256.36 = 632.24/x
  3. Step 3: Cross multiply
    2,171.12x = 3,256.36 × 632.24
  4. Step 4: Simplify right side
    2,171.12x = 2,058,801.05
  5. Step 5: Solve for x
    x = 2,058,801.05/2,171.12
  6. Step 6: Final answer
    x = 948.27

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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.