Home / 1,662.60-2,474.26-1,607.24

Finding the Fourth Proportional to 1,662.60, 2,474.26 and 1,607.24

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Solution

The fourth proportional to 1,662.60, 2,474.26 and 1,607.24 is: 2,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.60 : 2,474.26 = 1,607.24 : x
  2. Step 2: Convert to fraction form
    1,662.60/2,474.26 = 1,607.24/x
  3. Step 3: Cross multiply
    1,662.60x = 2,474.26 × 1,607.24
  4. Step 4: Simplify right side
    1,662.60x = 3,976,729.64
  5. Step 5: Solve for x
    x = 3,976,729.64/1,662.60
  6. Step 6: Final answer
    x = 2,391.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.