Home / 3,236.72-4,466.57-1,820.47

Finding the Fourth Proportional to 3,236.72, 4,466.57 and 1,820.47

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Solution

The fourth proportional to 3,236.72, 4,466.57 and 1,820.47 is: 2,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.72 : 4,466.57 = 1,820.47 : x
  2. Step 2: Convert to fraction form
    3,236.72/4,466.57 = 1,820.47/x
  3. Step 3: Cross multiply
    3,236.72x = 4,466.57 × 1,820.47
  4. Step 4: Simplify right side
    3,236.72x = 8,131,256.69
  5. Step 5: Solve for x
    x = 8,131,256.69/3,236.72
  6. Step 6: Final answer
    x = 2,512.19

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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.