Home / 3,318.80-4,580.02-1,826.75

Finding the Fourth Proportional to 3,318.80, 4,580.02 and 1,826.75

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Solution

The fourth proportional to 3,318.80, 4,580.02 and 1,826.75 is: 2,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.80 : 4,580.02 = 1,826.75 : x
  2. Step 2: Convert to fraction form
    3,318.80/4,580.02 = 1,826.75/x
  3. Step 3: Cross multiply
    3,318.80x = 4,580.02 × 1,826.75
  4. Step 4: Simplify right side
    3,318.80x = 8,366,560.13
  5. Step 5: Solve for x
    x = 8,366,560.13/3,318.80
  6. Step 6: Final answer
    x = 2,520.96

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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.