Home / 2,983.30-4,116.96-1,657.00

Finding the Fourth Proportional to 2,983.30, 4,116.96 and 1,657.00

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Solution

The fourth proportional to 2,983.30, 4,116.96 and 1,657.00 is: 2,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.30 : 4,116.96 = 1,657.00 : x
  2. Step 2: Convert to fraction form
    2,983.30/4,116.96 = 1,657.00/x
  3. Step 3: Cross multiply
    2,983.30x = 4,116.96 × 1,657.00
  4. Step 4: Simplify right side
    2,983.30x = 6,821,782.14
  5. Step 5: Solve for x
    x = 6,821,782.14/2,983.30
  6. Step 6: Final answer
    x = 2,286.66

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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.