Home / 2,259.64-3,117.99-1,375.30

Finding the Fourth Proportional to 2,259.64, 3,117.99 and 1,375.30

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Solution

The fourth proportional to 2,259.64, 3,117.99 and 1,375.30 is: 1,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.64 : 3,117.99 = 1,375.30 : x
  2. Step 2: Convert to fraction form
    2,259.64/3,117.99 = 1,375.30/x
  3. Step 3: Cross multiply
    2,259.64x = 3,117.99 × 1,375.30
  4. Step 4: Simplify right side
    2,259.64x = 4,288,171.65
  5. Step 5: Solve for x
    x = 4,288,171.65/2,259.64
  6. Step 6: Final answer
    x = 1,897.72

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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.