Home / 4,291.41-6,438.97-1,660.77

Finding the Fourth Proportional to 4,291.41, 6,438.97 and 1,660.77

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Solution

The fourth proportional to 4,291.41, 6,438.97 and 1,660.77 is: 2,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.41 : 6,438.97 = 1,660.77 : x
  2. Step 2: Convert to fraction form
    4,291.41/6,438.97 = 1,660.77/x
  3. Step 3: Cross multiply
    4,291.41x = 6,438.97 × 1,660.77
  4. Step 4: Simplify right side
    4,291.41x = 10,693,648.21
  5. Step 5: Solve for x
    x = 10,693,648.21/4,291.41
  6. Step 6: Final answer
    x = 2,491.87

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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.