Home / 1,512.06-2,083.65-1,091.70

Finding the Fourth Proportional to 1,512.06, 2,083.65 and 1,091.70

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Solution

The fourth proportional to 1,512.06, 2,083.65 and 1,091.70 is: 1,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.06 : 2,083.65 = 1,091.70 : x
  2. Step 2: Convert to fraction form
    1,512.06/2,083.65 = 1,091.70/x
  3. Step 3: Cross multiply
    1,512.06x = 2,083.65 × 1,091.70
  4. Step 4: Simplify right side
    1,512.06x = 2,274,720.71
  5. Step 5: Solve for x
    x = 2,274,720.71/1,512.06
  6. Step 6: Final answer
    x = 1,504.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.