Home / 2,345.70-3,237.28-1,297.96

Finding the Fourth Proportional to 2,345.70, 3,237.28 and 1,297.96

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Solution

The fourth proportional to 2,345.70, 3,237.28 and 1,297.96 is: 1,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.70 : 3,237.28 = 1,297.96 : x
  2. Step 2: Convert to fraction form
    2,345.70/3,237.28 = 1,297.96/x
  3. Step 3: Cross multiply
    2,345.70x = 3,237.28 × 1,297.96
  4. Step 4: Simplify right side
    2,345.70x = 4,201,859.95
  5. Step 5: Solve for x
    x = 4,201,859.95/2,345.70
  6. Step 6: Final answer
    x = 1,791.30

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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.