Home / 2,289.53-3,429.16-1,397.66

Finding the Fourth Proportional to 2,289.53, 3,429.16 and 1,397.66

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Solution

The fourth proportional to 2,289.53, 3,429.16 and 1,397.66 is: 2,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.53 : 3,429.16 = 1,397.66 : x
  2. Step 2: Convert to fraction form
    2,289.53/3,429.16 = 1,397.66/x
  3. Step 3: Cross multiply
    2,289.53x = 3,429.16 × 1,397.66
  4. Step 4: Simplify right side
    2,289.53x = 4,792,779.13
  5. Step 5: Solve for x
    x = 4,792,779.13/2,289.53
  6. Step 6: Final answer
    x = 2,093.34

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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.