Home / 1,859.22-2,564.30-1,361.68

Finding the Fourth Proportional to 1,859.22, 2,564.30 and 1,361.68

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Solution

The fourth proportional to 1,859.22, 2,564.30 and 1,361.68 is: 1,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.22 : 2,564.30 = 1,361.68 : x
  2. Step 2: Convert to fraction form
    1,859.22/2,564.30 = 1,361.68/x
  3. Step 3: Cross multiply
    1,859.22x = 2,564.30 × 1,361.68
  4. Step 4: Simplify right side
    1,859.22x = 3,491,756.02
  5. Step 5: Solve for x
    x = 3,491,756.02/1,859.22
  6. Step 6: Final answer
    x = 1,878.08

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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.