Home / 2,589.12-3,552.48-2,564.64

Finding the Fourth Proportional to 2,589.12, 3,552.48 and 2,564.64

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Solution

The fourth proportional to 2,589.12, 3,552.48 and 2,564.64 is: 3,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.12 : 3,552.48 = 2,564.64 : x
  2. Step 2: Convert to fraction form
    2,589.12/3,552.48 = 2,564.64/x
  3. Step 3: Cross multiply
    2,589.12x = 3,552.48 × 2,564.64
  4. Step 4: Simplify right side
    2,589.12x = 9,110,832.31
  5. Step 5: Solve for x
    x = 9,110,832.31/2,589.12
  6. Step 6: Final answer
    x = 3,518.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.