Home / 2,577.55-3,552.87-2,017.12

Finding the Fourth Proportional to 2,577.55, 3,552.87 and 2,017.12

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Solution

The fourth proportional to 2,577.55, 3,552.87 and 2,017.12 is: 2,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.55 : 3,552.87 = 2,017.12 : x
  2. Step 2: Convert to fraction form
    2,577.55/3,552.87 = 2,017.12/x
  3. Step 3: Cross multiply
    2,577.55x = 3,552.87 × 2,017.12
  4. Step 4: Simplify right side
    2,577.55x = 7,166,565.13
  5. Step 5: Solve for x
    x = 7,166,565.13/2,577.55
  6. Step 6: Final answer
    x = 2,780.38

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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.