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Finding the Fourth Proportional to 3,294.94, 4,547.03 and 1,802.87

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Solution

The fourth proportional to 3,294.94, 4,547.03 and 1,802.87 is: 2,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.94 : 4,547.03 = 1,802.87 : x
  2. Step 2: Convert to fraction form
    3,294.94/4,547.03 = 1,802.87/x
  3. Step 3: Cross multiply
    3,294.94x = 4,547.03 × 1,802.87
  4. Step 4: Simplify right side
    3,294.94x = 8,197,703.98
  5. Step 5: Solve for x
    x = 8,197,703.98/3,294.94
  6. Step 6: Final answer
    x = 2,487.97

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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.