Home / 3,211.36-4,430.16-2,325.22

Finding the Fourth Proportional to 3,211.36, 4,430.16 and 2,325.22

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Solution

The fourth proportional to 3,211.36, 4,430.16 and 2,325.22 is: 3,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.36 : 4,430.16 = 2,325.22 : x
  2. Step 2: Convert to fraction form
    3,211.36/4,430.16 = 2,325.22/x
  3. Step 3: Cross multiply
    3,211.36x = 4,430.16 × 2,325.22
  4. Step 4: Simplify right side
    3,211.36x = 10,301,096.64
  5. Step 5: Solve for x
    x = 10,301,096.64/3,211.36
  6. Step 6: Final answer
    x = 3,207.71

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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.