Home / 3,225.80-4,437.78-3,165.32

Finding the Fourth Proportional to 3,225.80, 4,437.78 and 3,165.32

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Solution

The fourth proportional to 3,225.80, 4,437.78 and 3,165.32 is: 4,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.80 : 4,437.78 = 3,165.32 : x
  2. Step 2: Convert to fraction form
    3,225.80/4,437.78 = 3,165.32/x
  3. Step 3: Cross multiply
    3,225.80x = 4,437.78 × 3,165.32
  4. Step 4: Simplify right side
    3,225.80x = 14,046,993.79
  5. Step 5: Solve for x
    x = 14,046,993.79/3,225.80
  6. Step 6: Final answer
    x = 4,354.58

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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.