Home / 2,921.31-4,029.48-1,741.50

Finding the Fourth Proportional to 2,921.31, 4,029.48 and 1,741.50

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Solution

The fourth proportional to 2,921.31, 4,029.48 and 1,741.50 is: 2,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.31 : 4,029.48 = 1,741.50 : x
  2. Step 2: Convert to fraction form
    2,921.31/4,029.48 = 1,741.50/x
  3. Step 3: Cross multiply
    2,921.31x = 4,029.48 × 1,741.50
  4. Step 4: Simplify right side
    2,921.31x = 7,017,339.42
  5. Step 5: Solve for x
    x = 7,017,339.42/2,921.31
  6. Step 6: Final answer
    x = 2,402.12

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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.