Home / 1,512.10-2,268.14-472.18

Finding the Fourth Proportional to 1,512.10, 2,268.14 and 472.18

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Solution

The fourth proportional to 1,512.10, 2,268.14 and 472.18 is: 708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.10 : 2,268.14 = 472.18 : x
  2. Step 2: Convert to fraction form
    1,512.10/2,268.14 = 472.18/x
  3. Step 3: Cross multiply
    1,512.10x = 2,268.14 × 472.18
  4. Step 4: Simplify right side
    1,512.10x = 1,070,970.35
  5. Step 5: Solve for x
    x = 1,070,970.35/1,512.10
  6. Step 6: Final answer
    x = 708.27

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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.