Home / 2,359.85-3,256.56-1,297.66

Finding the Fourth Proportional to 2,359.85, 3,256.56 and 1,297.66

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Solution

The fourth proportional to 2,359.85, 3,256.56 and 1,297.66 is: 1,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.85 : 3,256.56 = 1,297.66 : x
  2. Step 2: Convert to fraction form
    2,359.85/3,256.56 = 1,297.66/x
  3. Step 3: Cross multiply
    2,359.85x = 3,256.56 × 1,297.66
  4. Step 4: Simplify right side
    2,359.85x = 4,225,907.65
  5. Step 5: Solve for x
    x = 4,225,907.65/2,359.85
  6. Step 6: Final answer
    x = 1,790.75

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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.