Home / 2,319.85-3,497.11-2,122.82

Finding the Fourth Proportional to 2,319.85, 3,497.11 and 2,122.82

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Solution

The fourth proportional to 2,319.85, 3,497.11 and 2,122.82 is: 3,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.85 : 3,497.11 = 2,122.82 : x
  2. Step 2: Convert to fraction form
    2,319.85/3,497.11 = 2,122.82/x
  3. Step 3: Cross multiply
    2,319.85x = 3,497.11 × 2,122.82
  4. Step 4: Simplify right side
    2,319.85x = 7,423,725.37
  5. Step 5: Solve for x
    x = 7,423,725.37/2,319.85
  6. Step 6: Final answer
    x = 3,200.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.