Home / 3,225.32-4,449.54-1,898.60

Finding the Fourth Proportional to 3,225.32, 4,449.54 and 1,898.60

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Solution

The fourth proportional to 3,225.32, 4,449.54 and 1,898.60 is: 2,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.32 : 4,449.54 = 1,898.60 : x
  2. Step 2: Convert to fraction form
    3,225.32/4,449.54 = 1,898.60/x
  3. Step 3: Cross multiply
    3,225.32x = 4,449.54 × 1,898.60
  4. Step 4: Simplify right side
    3,225.32x = 8,447,896.64
  5. Step 5: Solve for x
    x = 8,447,896.64/3,225.32
  6. Step 6: Final answer
    x = 2,619.24

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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.