Home / 3,369.22-4,649.78-1,953.30

Finding the Fourth Proportional to 3,369.22, 4,649.78 and 1,953.30

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Solution

The fourth proportional to 3,369.22, 4,649.78 and 1,953.30 is: 2,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.22 : 4,649.78 = 1,953.30 : x
  2. Step 2: Convert to fraction form
    3,369.22/4,649.78 = 1,953.30/x
  3. Step 3: Cross multiply
    3,369.22x = 4,649.78 × 1,953.30
  4. Step 4: Simplify right side
    3,369.22x = 9,082,415.27
  5. Step 5: Solve for x
    x = 9,082,415.27/3,369.22
  6. Step 6: Final answer
    x = 2,695.70

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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.