Home / 3,391.01-4,671.50-2,789.58

Finding the Fourth Proportional to 3,391.01, 4,671.50 and 2,789.58

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Solution

The fourth proportional to 3,391.01, 4,671.50 and 2,789.58 is: 3,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.01 : 4,671.50 = 2,789.58 : x
  2. Step 2: Convert to fraction form
    3,391.01/4,671.50 = 2,789.58/x
  3. Step 3: Cross multiply
    3,391.01x = 4,671.50 × 2,789.58
  4. Step 4: Simplify right side
    3,391.01x = 13,031,509.02
  5. Step 5: Solve for x
    x = 13,031,509.02/3,391.01
  6. Step 6: Final answer
    x = 3,842.96

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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.