Home / 3,318.39-4,579.46-1,826.35

Finding the Fourth Proportional to 3,318.39, 4,579.46 and 1,826.35

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Solution

The fourth proportional to 3,318.39, 4,579.46 and 1,826.35 is: 2,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.39 : 4,579.46 = 1,826.35 : x
  2. Step 2: Convert to fraction form
    3,318.39/4,579.46 = 1,826.35/x
  3. Step 3: Cross multiply
    3,318.39x = 4,579.46 × 1,826.35
  4. Step 4: Simplify right side
    3,318.39x = 8,363,696.77
  5. Step 5: Solve for x
    x = 8,363,696.77/3,318.39
  6. Step 6: Final answer
    x = 2,520.41

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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.