Home / 3,318.85-4,580.06-1,826.83

Finding the Fourth Proportional to 3,318.85, 4,580.06 and 1,826.83

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Solution

The fourth proportional to 3,318.85, 4,580.06 and 1,826.83 is: 2,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.85 : 4,580.06 = 1,826.83 : x
  2. Step 2: Convert to fraction form
    3,318.85/4,580.06 = 1,826.83/x
  3. Step 3: Cross multiply
    3,318.85x = 4,580.06 × 1,826.83
  4. Step 4: Simplify right side
    3,318.85x = 8,366,991.01
  5. Step 5: Solve for x
    x = 8,366,991.01/3,318.85
  6. Step 6: Final answer
    x = 2,521.05

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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.