Home / 3,225.64-4,451.15-1,899.16

Finding the Fourth Proportional to 3,225.64, 4,451.15 and 1,899.16

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Solution

The fourth proportional to 3,225.64, 4,451.15 and 1,899.16 is: 2,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.64 : 4,451.15 = 1,899.16 : x
  2. Step 2: Convert to fraction form
    3,225.64/4,451.15 = 1,899.16/x
  3. Step 3: Cross multiply
    3,225.64x = 4,451.15 × 1,899.16
  4. Step 4: Simplify right side
    3,225.64x = 8,453,446.03
  5. Step 5: Solve for x
    x = 8,453,446.03/3,225.64
  6. Step 6: Final answer
    x = 2,620.70

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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.