Home / 3,047.60-4,205.68-1,650.34

Finding the Fourth Proportional to 3,047.60, 4,205.68 and 1,650.34

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Solution

The fourth proportional to 3,047.60, 4,205.68 and 1,650.34 is: 2,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.60 : 4,205.68 = 1,650.34 : x
  2. Step 2: Convert to fraction form
    3,047.60/4,205.68 = 1,650.34/x
  3. Step 3: Cross multiply
    3,047.60x = 4,205.68 × 1,650.34
  4. Step 4: Simplify right side
    3,047.60x = 6,940,801.93
  5. Step 5: Solve for x
    x = 6,940,801.93/3,047.60
  6. Step 6: Final answer
    x = 2,277.46

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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.