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Finding the Fourth Proportional to 3,662.04, 5,053.57 and 1,983.40

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Solution

The fourth proportional to 3,662.04, 5,053.57 and 1,983.40 is: 2,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.04 : 5,053.57 = 1,983.40 : x
  2. Step 2: Convert to fraction form
    3,662.04/5,053.57 = 1,983.40/x
  3. Step 3: Cross multiply
    3,662.04x = 5,053.57 × 1,983.40
  4. Step 4: Simplify right side
    3,662.04x = 10,023,250.74
  5. Step 5: Solve for x
    x = 10,023,250.74/3,662.04
  6. Step 6: Final answer
    x = 2,737.07

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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.