Home / 3,421.33-5,132.29-956.16

Finding the Fourth Proportional to 3,421.33, 5,132.29 and 956.16

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Solution

The fourth proportional to 3,421.33, 5,132.29 and 956.16 is: 1,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.33 : 5,132.29 = 956.16 : x
  2. Step 2: Convert to fraction form
    3,421.33/5,132.29 = 956.16/x
  3. Step 3: Cross multiply
    3,421.33x = 5,132.29 × 956.16
  4. Step 4: Simplify right side
    3,421.33x = 4,907,288.02
  5. Step 5: Solve for x
    x = 4,907,288.02/3,421.33
  6. Step 6: Final answer
    x = 1,434.32

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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.