Home / 1,851.11-2,776.37-552.27

Finding the Fourth Proportional to 1,851.11, 2,776.37 and 552.27

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Solution

The fourth proportional to 1,851.11, 2,776.37 and 552.27 is: 828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.11 : 2,776.37 = 552.27 : x
  2. Step 2: Convert to fraction form
    1,851.11/2,776.37 = 552.27/x
  3. Step 3: Cross multiply
    1,851.11x = 2,776.37 × 552.27
  4. Step 4: Simplify right side
    1,851.11x = 1,533,303.10
  5. Step 5: Solve for x
    x = 1,533,303.10/1,851.11
  6. Step 6: Final answer
    x = 828.32

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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.