Home / 2,755.61-4,132.74-1,111.67

Finding the Fourth Proportional to 2,755.61, 4,132.74 and 1,111.67

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Solution

The fourth proportional to 2,755.61, 4,132.74 and 1,111.67 is: 1,667.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.61 : 4,132.74 = 1,111.67 : x
  2. Step 2: Convert to fraction form
    2,755.61/4,132.74 = 1,111.67/x
  3. Step 3: Cross multiply
    2,755.61x = 4,132.74 × 1,111.67
  4. Step 4: Simplify right side
    2,755.61x = 4,594,243.08
  5. Step 5: Solve for x
    x = 4,594,243.08/2,755.61
  6. Step 6: Final answer
    x = 1,667.23

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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.