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Finding the Fourth Proportional to 3,802.32, 5,703.51 and 1,493.82

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Solution

The fourth proportional to 3,802.32, 5,703.51 and 1,493.82 is: 2,240.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.32 : 5,703.51 = 1,493.82 : x
  2. Step 2: Convert to fraction form
    3,802.32/5,703.51 = 1,493.82/x
  3. Step 3: Cross multiply
    3,802.32x = 5,703.51 × 1,493.82
  4. Step 4: Simplify right side
    3,802.32x = 8,520,017.31
  5. Step 5: Solve for x
    x = 8,520,017.31/3,802.32
  6. Step 6: Final answer
    x = 2,240.74

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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.