Home / 3,983.04-5,497.17-2,389.76

Finding the Fourth Proportional to 3,983.04, 5,497.17 and 2,389.76

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Solution

The fourth proportional to 3,983.04, 5,497.17 and 2,389.76 is: 3,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.04 : 5,497.17 = 2,389.76 : x
  2. Step 2: Convert to fraction form
    3,983.04/5,497.17 = 2,389.76/x
  3. Step 3: Cross multiply
    3,983.04x = 5,497.17 × 2,389.76
  4. Step 4: Simplify right side
    3,983.04x = 13,136,916.98
  5. Step 5: Solve for x
    x = 13,136,916.98/3,983.04
  6. Step 6: Final answer
    x = 3,298.21

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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.