Home / 2,259.44-3,117.84-1,375.08

Finding the Fourth Proportional to 2,259.44, 3,117.84 and 1,375.08

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Solution

The fourth proportional to 2,259.44, 3,117.84 and 1,375.08 is: 1,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.44 : 3,117.84 = 1,375.08 : x
  2. Step 2: Convert to fraction form
    2,259.44/3,117.84 = 1,375.08/x
  3. Step 3: Cross multiply
    2,259.44x = 3,117.84 × 1,375.08
  4. Step 4: Simplify right side
    2,259.44x = 4,287,270.31
  5. Step 5: Solve for x
    x = 4,287,270.31/2,259.44
  6. Step 6: Final answer
    x = 1,897.49

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1.5x scale

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.