Home / 1,512.10-2,265.67-933.78

Finding the Fourth Proportional to 1,512.10, 2,265.67 and 933.78

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Solution

The fourth proportional to 1,512.10, 2,265.67 and 933.78 is: 1,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.10 : 2,265.67 = 933.78 : x
  2. Step 2: Convert to fraction form
    1,512.10/2,265.67 = 933.78/x
  3. Step 3: Cross multiply
    1,512.10x = 2,265.67 × 933.78
  4. Step 4: Simplify right side
    1,512.10x = 2,115,637.33
  5. Step 5: Solve for x
    x = 2,115,637.33/1,512.10
  6. Step 6: Final answer
    x = 1,399.14

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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.