Home / 2,160.10-3,241.77-1,339.57

Finding the Fourth Proportional to 2,160.10, 3,241.77 and 1,339.57

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Solution

The fourth proportional to 2,160.10, 3,241.77 and 1,339.57 is: 2,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.10 : 3,241.77 = 1,339.57 : x
  2. Step 2: Convert to fraction form
    2,160.10/3,241.77 = 1,339.57/x
  3. Step 3: Cross multiply
    2,160.10x = 3,241.77 × 1,339.57
  4. Step 4: Simplify right side
    2,160.10x = 4,342,554.93
  5. Step 5: Solve for x
    x = 4,342,554.93/2,160.10
  6. Step 6: Final answer
    x = 2,010.35

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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.