Home / 3,310.55-4,565.89-2,911.35

Finding the Fourth Proportional to 3,310.55, 4,565.89 and 2,911.35

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Solution

The fourth proportional to 3,310.55, 4,565.89 and 2,911.35 is: 4,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.55 : 4,565.89 = 2,911.35 : x
  2. Step 2: Convert to fraction form
    3,310.55/4,565.89 = 2,911.35/x
  3. Step 3: Cross multiply
    3,310.55x = 4,565.89 × 2,911.35
  4. Step 4: Simplify right side
    3,310.55x = 13,292,896.57
  5. Step 5: Solve for x
    x = 13,292,896.57/3,310.55
  6. Step 6: Final answer
    x = 4,015.32

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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.