Home / 3,261.24-4,892.59-1,412.65

Finding the Fourth Proportional to 3,261.24, 4,892.59 and 1,412.65

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Solution

The fourth proportional to 3,261.24, 4,892.59 and 1,412.65 is: 2,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.24 : 4,892.59 = 1,412.65 : x
  2. Step 2: Convert to fraction form
    3,261.24/4,892.59 = 1,412.65/x
  3. Step 3: Cross multiply
    3,261.24x = 4,892.59 × 1,412.65
  4. Step 4: Simplify right side
    3,261.24x = 6,911,525.15
  5. Step 5: Solve for x
    x = 6,911,525.15/3,261.24
  6. Step 6: Final answer
    x = 2,119.29

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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.