Home / 2,877.21-4,317.03-1,578.51

Finding the Fourth Proportional to 2,877.21, 4,317.03 and 1,578.51

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Solution

The fourth proportional to 2,877.21, 4,317.03 and 1,578.51 is: 2,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.21 : 4,317.03 = 1,578.51 : x
  2. Step 2: Convert to fraction form
    2,877.21/4,317.03 = 1,578.51/x
  3. Step 3: Cross multiply
    2,877.21x = 4,317.03 × 1,578.51
  4. Step 4: Simplify right side
    2,877.21x = 6,814,475.03
  5. Step 5: Solve for x
    x = 6,814,475.03/2,877.21
  6. Step 6: Final answer
    x = 2,368.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.