Home / 3,795.12-5,235.72-2,398.80

Finding the Fourth Proportional to 3,795.12, 5,235.72 and 2,398.80

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Solution

The fourth proportional to 3,795.12, 5,235.72 and 2,398.80 is: 3,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795.12 : 5,235.72 = 2,398.80 : x
  2. Step 2: Convert to fraction form
    3,795.12/5,235.72 = 2,398.80/x
  3. Step 3: Cross multiply
    3,795.12x = 5,235.72 × 2,398.80
  4. Step 4: Simplify right side
    3,795.12x = 12,559,445.14
  5. Step 5: Solve for x
    x = 12,559,445.14/3,795.12
  6. Step 6: Final answer
    x = 3,309.37

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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.