Home / 2,983.70-4,117.46-1,657.37

Finding the Fourth Proportional to 2,983.70, 4,117.46 and 1,657.37

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Solution

The fourth proportional to 2,983.70, 4,117.46 and 1,657.37 is: 2,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.70 : 4,117.46 = 1,657.37 : x
  2. Step 2: Convert to fraction form
    2,983.70/4,117.46 = 1,657.37/x
  3. Step 3: Cross multiply
    2,983.70x = 4,117.46 × 1,657.37
  4. Step 4: Simplify right side
    2,983.70x = 6,824,146.39
  5. Step 5: Solve for x
    x = 6,824,146.39/2,983.70
  6. Step 6: Final answer
    x = 2,287.14

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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.