Home / 2,390.64-3,584.48-1,074.16

Finding the Fourth Proportional to 2,390.64, 3,584.48 and 1,074.16

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Solution

The fourth proportional to 2,390.64, 3,584.48 and 1,074.16 is: 1,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.64 : 3,584.48 = 1,074.16 : x
  2. Step 2: Convert to fraction form
    2,390.64/3,584.48 = 1,074.16/x
  3. Step 3: Cross multiply
    2,390.64x = 3,584.48 × 1,074.16
  4. Step 4: Simplify right side
    2,390.64x = 3,850,305.04
  5. Step 5: Solve for x
    x = 3,850,305.04/2,390.64
  6. Step 6: Final answer
    x = 1,610.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.