Home / 3,445.75-4,757.42-2,647.65

Finding the Fourth Proportional to 3,445.75, 4,757.42 and 2,647.65

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Solution

The fourth proportional to 3,445.75, 4,757.42 and 2,647.65 is: 3,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.75 : 4,757.42 = 2,647.65 : x
  2. Step 2: Convert to fraction form
    3,445.75/4,757.42 = 2,647.65/x
  3. Step 3: Cross multiply
    3,445.75x = 4,757.42 × 2,647.65
  4. Step 4: Simplify right side
    3,445.75x = 12,596,007.52
  5. Step 5: Solve for x
    x = 12,596,007.52/3,445.75
  6. Step 6: Final answer
    x = 3,655.52

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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.