Home / 3,357.16-4,632.80-1,865.08

Finding the Fourth Proportional to 3,357.16, 4,632.80 and 1,865.08

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Solution

The fourth proportional to 3,357.16, 4,632.80 and 1,865.08 is: 2,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.16 : 4,632.80 = 1,865.08 : x
  2. Step 2: Convert to fraction form
    3,357.16/4,632.80 = 1,865.08/x
  3. Step 3: Cross multiply
    3,357.16x = 4,632.80 × 1,865.08
  4. Step 4: Simplify right side
    3,357.16x = 8,640,542.62
  5. Step 5: Solve for x
    x = 8,640,542.62/3,357.16
  6. Step 6: Final answer
    x = 2,573.77

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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.