Home / 2,887.80-3,983.36-1,708.03

Finding the Fourth Proportional to 2,887.80, 3,983.36 and 1,708.03

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Solution

The fourth proportional to 2,887.80, 3,983.36 and 1,708.03 is: 2,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.80 : 3,983.36 = 1,708.03 : x
  2. Step 2: Convert to fraction form
    2,887.80/3,983.36 = 1,708.03/x
  3. Step 3: Cross multiply
    2,887.80x = 3,983.36 × 1,708.03
  4. Step 4: Simplify right side
    2,887.80x = 6,803,704.43
  5. Step 5: Solve for x
    x = 6,803,704.43/2,887.80
  6. Step 6: Final answer
    x = 2,356.02

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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.