Home / 2,636.24-3,954.36-1,658.48

Finding the Fourth Proportional to 2,636.24, 3,954.36 and 1,658.48

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Solution

The fourth proportional to 2,636.24, 3,954.36 and 1,658.48 is: 2,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.24 : 3,954.36 = 1,658.48 : x
  2. Step 2: Convert to fraction form
    2,636.24/3,954.36 = 1,658.48/x
  3. Step 3: Cross multiply
    2,636.24x = 3,954.36 × 1,658.48
  4. Step 4: Simplify right side
    2,636.24x = 6,558,226.97
  5. Step 5: Solve for x
    x = 6,558,226.97/2,636.24
  6. Step 6: Final answer
    x = 2,487.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.