Home / 2,902.32-4,004.82-1,643.44

Finding the Fourth Proportional to 2,902.32, 4,004.82 and 1,643.44

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Solution

The fourth proportional to 2,902.32, 4,004.82 and 1,643.44 is: 2,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.32 : 4,004.82 = 1,643.44 : x
  2. Step 2: Convert to fraction form
    2,902.32/4,004.82 = 1,643.44/x
  3. Step 3: Cross multiply
    2,902.32x = 4,004.82 × 1,643.44
  4. Step 4: Simplify right side
    2,902.32x = 6,581,681.38
  5. Step 5: Solve for x
    x = 6,581,681.38/2,902.32
  6. Step 6: Final answer
    x = 2,267.73

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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.