Home / 3,285.39-4,528.80-2,621.19

Finding the Fourth Proportional to 3,285.39, 4,528.80 and 2,621.19

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Solution

The fourth proportional to 3,285.39, 4,528.80 and 2,621.19 is: 3,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.39 : 4,528.80 = 2,621.19 : x
  2. Step 2: Convert to fraction form
    3,285.39/4,528.80 = 2,621.19/x
  3. Step 3: Cross multiply
    3,285.39x = 4,528.80 × 2,621.19
  4. Step 4: Simplify right side
    3,285.39x = 11,870,845.27
  5. Step 5: Solve for x
    x = 11,870,845.27/3,285.39
  6. Step 6: Final answer
    x = 3,613.22

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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.