Home / 2,588.64-3,572.34-1,540.80

Finding the Fourth Proportional to 2,588.64, 3,572.34 and 1,540.80

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Solution

The fourth proportional to 2,588.64, 3,572.34 and 1,540.80 is: 2,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.64 : 3,572.34 = 1,540.80 : x
  2. Step 2: Convert to fraction form
    2,588.64/3,572.34 = 1,540.80/x
  3. Step 3: Cross multiply
    2,588.64x = 3,572.34 × 1,540.80
  4. Step 4: Simplify right side
    2,588.64x = 5,504,261.47
  5. Step 5: Solve for x
    x = 5,504,261.47/2,588.64
  6. Step 6: Final answer
    x = 2,126.31

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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.