Home / 2,756.12-3,803.48-1,577.16

Finding the Fourth Proportional to 2,756.12, 3,803.48 and 1,577.16

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Solution

The fourth proportional to 2,756.12, 3,803.48 and 1,577.16 is: 2,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.12 : 3,803.48 = 1,577.16 : x
  2. Step 2: Convert to fraction form
    2,756.12/3,803.48 = 1,577.16/x
  3. Step 3: Cross multiply
    2,756.12x = 3,803.48 × 1,577.16
  4. Step 4: Simplify right side
    2,756.12x = 5,998,696.52
  5. Step 5: Solve for x
    x = 5,998,696.52/2,756.12
  6. Step 6: Final answer
    x = 2,176.50

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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.