Home / 2,512.48-3,768.84-1,124.32

Finding the Fourth Proportional to 2,512.48, 3,768.84 and 1,124.32

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Solution

The fourth proportional to 2,512.48, 3,768.84 and 1,124.32 is: 1,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.48 : 3,768.84 = 1,124.32 : x
  2. Step 2: Convert to fraction form
    2,512.48/3,768.84 = 1,124.32/x
  3. Step 3: Cross multiply
    2,512.48x = 3,768.84 × 1,124.32
  4. Step 4: Simplify right side
    2,512.48x = 4,237,382.19
  5. Step 5: Solve for x
    x = 4,237,382.19/2,512.48
  6. Step 6: Final answer
    x = 1,686.53

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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.