Home / 2,756.09-3,803.36-1,577.13

Finding the Fourth Proportional to 2,756.09, 3,803.36 and 1,577.13

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Solution

The fourth proportional to 2,756.09, 3,803.36 and 1,577.13 is: 2,176.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.09 : 3,803.36 = 1,577.13 : x
  2. Step 2: Convert to fraction form
    2,756.09/3,803.36 = 1,577.13/x
  3. Step 3: Cross multiply
    2,756.09x = 3,803.36 × 1,577.13
  4. Step 4: Simplify right side
    2,756.09x = 5,998,385.27
  5. Step 5: Solve for x
    x = 5,998,385.27/2,756.09
  6. Step 6: Final answer
    x = 2,176.42

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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.