Home / 3,488.26-4,812.61-1,995.64

Finding the Fourth Proportional to 3,488.26, 4,812.61 and 1,995.64

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Solution

The fourth proportional to 3,488.26, 4,812.61 and 1,995.64 is: 2,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.26 : 4,812.61 = 1,995.64 : x
  2. Step 2: Convert to fraction form
    3,488.26/4,812.61 = 1,995.64/x
  3. Step 3: Cross multiply
    3,488.26x = 4,812.61 × 1,995.64
  4. Step 4: Simplify right side
    3,488.26x = 9,604,237.02
  5. Step 5: Solve for x
    x = 9,604,237.02/3,488.26
  6. Step 6: Final answer
    x = 2,753.30

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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.