Home / 2,816.43-3,886.92-1,697.37

Finding the Fourth Proportional to 2,816.43, 3,886.92 and 1,697.37

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Solution

The fourth proportional to 2,816.43, 3,886.92 and 1,697.37 is: 2,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.43 : 3,886.92 = 1,697.37 : x
  2. Step 2: Convert to fraction form
    2,816.43/3,886.92 = 1,697.37/x
  3. Step 3: Cross multiply
    2,816.43x = 3,886.92 × 1,697.37
  4. Step 4: Simplify right side
    2,816.43x = 6,597,541.40
  5. Step 5: Solve for x
    x = 6,597,541.40/2,816.43
  6. Step 6: Final answer
    x = 2,342.52

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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.