Home / 1,512.21-2,268.46-587.84

Finding the Fourth Proportional to 1,512.21, 2,268.46 and 587.84

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Solution

The fourth proportional to 1,512.21, 2,268.46 and 587.84 is: 881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.21 : 2,268.46 = 587.84 : x
  2. Step 2: Convert to fraction form
    1,512.21/2,268.46 = 587.84/x
  3. Step 3: Cross multiply
    1,512.21x = 2,268.46 × 587.84
  4. Step 4: Simplify right side
    1,512.21x = 1,333,483.65
  5. Step 5: Solve for x
    x = 1,333,483.65/1,512.21
  6. Step 6: Final answer
    x = 881.81

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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.