Home / 2,983.47-4,472.13-2,159.70

Finding the Fourth Proportional to 2,983.47, 4,472.13 and 2,159.70

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Solution

The fourth proportional to 2,983.47, 4,472.13 and 2,159.70 is: 3,237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.47 : 4,472.13 = 2,159.70 : x
  2. Step 2: Convert to fraction form
    2,983.47/4,472.13 = 2,159.70/x
  3. Step 3: Cross multiply
    2,983.47x = 4,472.13 × 2,159.70
  4. Step 4: Simplify right side
    2,983.47x = 9,658,459.16
  5. Step 5: Solve for x
    x = 9,658,459.16/2,983.47
  6. Step 6: Final answer
    x = 3,237.32

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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.