Home / 3,245.19-4,478.31-2,066.91

Finding the Fourth Proportional to 3,245.19, 4,478.31 and 2,066.91

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Solution

The fourth proportional to 3,245.19, 4,478.31 and 2,066.91 is: 2,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.19 : 4,478.31 = 2,066.91 : x
  2. Step 2: Convert to fraction form
    3,245.19/4,478.31 = 2,066.91/x
  3. Step 3: Cross multiply
    3,245.19x = 4,478.31 × 2,066.91
  4. Step 4: Simplify right side
    3,245.19x = 9,256,263.72
  5. Step 5: Solve for x
    x = 9,256,263.72/3,245.19
  6. Step 6: Final answer
    x = 2,852.30

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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.