Home / 4,108.88-5,670.45-2,340.65

Finding the Fourth Proportional to 4,108.88, 5,670.45 and 2,340.65

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Solution

The fourth proportional to 4,108.88, 5,670.45 and 2,340.65 is: 3,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.88 : 5,670.45 = 2,340.65 : x
  2. Step 2: Convert to fraction form
    4,108.88/5,670.45 = 2,340.65/x
  3. Step 3: Cross multiply
    4,108.88x = 5,670.45 × 2,340.65
  4. Step 4: Simplify right side
    4,108.88x = 13,272,510.44
  5. Step 5: Solve for x
    x = 13,272,510.44/4,108.88
  6. Step 6: Final answer
    x = 3,230.21

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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.