Home / 4,289.85-5,911.92-2,961.18

Finding the Fourth Proportional to 4,289.85, 5,911.92 and 2,961.18

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Solution

The fourth proportional to 4,289.85, 5,911.92 and 2,961.18 is: 4,080.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.85 : 5,911.92 = 2,961.18 : x
  2. Step 2: Convert to fraction form
    4,289.85/5,911.92 = 2,961.18/x
  3. Step 3: Cross multiply
    4,289.85x = 5,911.92 × 2,961.18
  4. Step 4: Simplify right side
    4,289.85x = 17,506,259.27
  5. Step 5: Solve for x
    x = 17,506,259.27/4,289.85
  6. Step 6: Final answer
    x = 4,080.86

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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.