Home / 3,490.88-5,239.52-1,643.04

Finding the Fourth Proportional to 3,490.88, 5,239.52 and 1,643.04

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Solution

The fourth proportional to 3,490.88, 5,239.52 and 1,643.04 is: 2,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.88 : 5,239.52 = 1,643.04 : x
  2. Step 2: Convert to fraction form
    3,490.88/5,239.52 = 1,643.04/x
  3. Step 3: Cross multiply
    3,490.88x = 5,239.52 × 1,643.04
  4. Step 4: Simplify right side
    3,490.88x = 8,608,740.94
  5. Step 5: Solve for x
    x = 8,608,740.94/3,490.88
  6. Step 6: Final answer
    x = 2,466.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.