Home / 2,649.22-3,656.57-1,529.99

Finding the Fourth Proportional to 2,649.22, 3,656.57 and 1,529.99

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Solution

The fourth proportional to 2,649.22, 3,656.57 and 1,529.99 is: 2,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.22 : 3,656.57 = 1,529.99 : x
  2. Step 2: Convert to fraction form
    2,649.22/3,656.57 = 1,529.99/x
  3. Step 3: Cross multiply
    2,649.22x = 3,656.57 × 1,529.99
  4. Step 4: Simplify right side
    2,649.22x = 5,594,515.53
  5. Step 5: Solve for x
    x = 5,594,515.53/2,649.22
  6. Step 6: Final answer
    x = 2,111.76

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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.