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Finding the Fourth Proportional to 2,903.22, 4,005.12 and 1,723.62

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Solution

The fourth proportional to 2,903.22, 4,005.12 and 1,723.62 is: 2,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.22 : 4,005.12 = 1,723.62 : x
  2. Step 2: Convert to fraction form
    2,903.22/4,005.12 = 1,723.62/x
  3. Step 3: Cross multiply
    2,903.22x = 4,005.12 × 1,723.62
  4. Step 4: Simplify right side
    2,903.22x = 6,903,304.93
  5. Step 5: Solve for x
    x = 6,903,304.93/2,903.22
  6. Step 6: Final answer
    x = 2,377.81

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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.