Home / 3,225.72-4,451.70-1,809.51

Finding the Fourth Proportional to 3,225.72, 4,451.70 and 1,809.51

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Solution

The fourth proportional to 3,225.72, 4,451.70 and 1,809.51 is: 2,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.72 : 4,451.70 = 1,809.51 : x
  2. Step 2: Convert to fraction form
    3,225.72/4,451.70 = 1,809.51/x
  3. Step 3: Cross multiply
    3,225.72x = 4,451.70 × 1,809.51
  4. Step 4: Simplify right side
    3,225.72x = 8,055,395.67
  5. Step 5: Solve for x
    x = 8,055,395.67/3,225.72
  6. Step 6: Final answer
    x = 2,497.24

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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.