Home / 2,660.22-3,671.58-2,029.74

Finding the Fourth Proportional to 2,660.22, 3,671.58 and 2,029.74

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Solution

The fourth proportional to 2,660.22, 3,671.58 and 2,029.74 is: 2,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.22 : 3,671.58 = 2,029.74 : x
  2. Step 2: Convert to fraction form
    2,660.22/3,671.58 = 2,029.74/x
  3. Step 3: Cross multiply
    2,660.22x = 3,671.58 × 2,029.74
  4. Step 4: Simplify right side
    2,660.22x = 7,452,352.79
  5. Step 5: Solve for x
    x = 7,452,352.79/2,660.22
  6. Step 6: Final answer
    x = 2,801.40

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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.