Home / 2,755.55-4,153.95-2,572.25

Finding the Fourth Proportional to 2,755.55, 4,153.95 and 2,572.25

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Solution

The fourth proportional to 2,755.55, 4,153.95 and 2,572.25 is: 3,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.55 : 4,153.95 = 2,572.25 : x
  2. Step 2: Convert to fraction form
    2,755.55/4,153.95 = 2,572.25/x
  3. Step 3: Cross multiply
    2,755.55x = 4,153.95 × 2,572.25
  4. Step 4: Simplify right side
    2,755.55x = 10,684,977.12
  5. Step 5: Solve for x
    x = 10,684,977.12/2,755.55
  6. Step 6: Final answer
    x = 3,877.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.