Home / 4,008.21-5,531.45-2,330.22

Finding the Fourth Proportional to 4,008.21, 5,531.45 and 2,330.22

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Solution

The fourth proportional to 4,008.21, 5,531.45 and 2,330.22 is: 3,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.21 : 5,531.45 = 2,330.22 : x
  2. Step 2: Convert to fraction form
    4,008.21/5,531.45 = 2,330.22/x
  3. Step 3: Cross multiply
    4,008.21x = 5,531.45 × 2,330.22
  4. Step 4: Simplify right side
    4,008.21x = 12,889,495.42
  5. Step 5: Solve for x
    x = 12,889,495.42/4,008.21
  6. Step 6: Final answer
    x = 3,215.77

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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.