Home / 1,983.32-2,973.70-1,008.92

Finding the Fourth Proportional to 1,983.32, 2,973.70 and 1,008.92

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Solution

The fourth proportional to 1,983.32, 2,973.70 and 1,008.92 is: 1,512.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983.32 : 2,973.70 = 1,008.92 : x
  2. Step 2: Convert to fraction form
    1,983.32/2,973.70 = 1,008.92/x
  3. Step 3: Cross multiply
    1,983.32x = 2,973.70 × 1,008.92
  4. Step 4: Simplify right side
    1,983.32x = 3,000,225.40
  5. Step 5: Solve for x
    x = 3,000,225.40/1,983.32
  6. Step 6: Final answer
    x = 1,512.73

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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.