Home / 2,658.31-3,977.74-2,225.77

Finding the Fourth Proportional to 2,658.31, 3,977.74 and 2,225.77

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Solution

The fourth proportional to 2,658.31, 3,977.74 and 2,225.77 is: 3,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.31 : 3,977.74 = 2,225.77 : x
  2. Step 2: Convert to fraction form
    2,658.31/3,977.74 = 2,225.77/x
  3. Step 3: Cross multiply
    2,658.31x = 3,977.74 × 2,225.77
  4. Step 4: Simplify right side
    2,658.31x = 8,853,534.36
  5. Step 5: Solve for x
    x = 8,853,534.36/2,658.31
  6. Step 6: Final answer
    x = 3,330.51

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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.