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Finding the Fourth Proportional to 1,512.52, 2,268.54 and 525.49

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Solution

The fourth proportional to 1,512.52, 2,268.54 and 525.49 is: 788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.52 : 2,268.54 = 525.49 : x
  2. Step 2: Convert to fraction form
    1,512.52/2,268.54 = 525.49/x
  3. Step 3: Cross multiply
    1,512.52x = 2,268.54 × 525.49
  4. Step 4: Simplify right side
    1,512.52x = 1,192,095.08
  5. Step 5: Solve for x
    x = 1,192,095.08/1,512.52
  6. Step 6: Final answer
    x = 788.15

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1.5x scale

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.