Home / 3,360.85-4,633.77-2,856.22

Finding the Fourth Proportional to 3,360.85, 4,633.77 and 2,856.22

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Solution

The fourth proportional to 3,360.85, 4,633.77 and 2,856.22 is: 3,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.85 : 4,633.77 = 2,856.22 : x
  2. Step 2: Convert to fraction form
    3,360.85/4,633.77 = 2,856.22/x
  3. Step 3: Cross multiply
    3,360.85x = 4,633.77 × 2,856.22
  4. Step 4: Simplify right side
    3,360.85x = 13,235,065.68
  5. Step 5: Solve for x
    x = 13,235,065.68/3,360.85
  6. Step 6: Final answer
    x = 3,938.01

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Find fourth proportional to 3,361.85, 4,635.15 and 2,857.22
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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.