Home / 2,975.31-4,460.22-2,729.28

Finding the Fourth Proportional to 2,975.31, 4,460.22 and 2,729.28

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Solution

The fourth proportional to 2,975.31, 4,460.22 and 2,729.28 is: 4,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.31 : 4,460.22 = 2,729.28 : x
  2. Step 2: Convert to fraction form
    2,975.31/4,460.22 = 2,729.28/x
  3. Step 3: Cross multiply
    2,975.31x = 4,460.22 × 2,729.28
  4. Step 4: Simplify right side
    2,975.31x = 12,173,189.24
  5. Step 5: Solve for x
    x = 12,173,189.24/2,975.31
  6. Step 6: Final answer
    x = 4,091.40

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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.