Home / 1,811.02-2,499.09-1,025.02

Finding the Fourth Proportional to 1,811.02, 2,499.09 and 1,025.02

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Solution

The fourth proportional to 1,811.02, 2,499.09 and 1,025.02 is: 1,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.02 : 2,499.09 = 1,025.02 : x
  2. Step 2: Convert to fraction form
    1,811.02/2,499.09 = 1,025.02/x
  3. Step 3: Cross multiply
    1,811.02x = 2,499.09 × 1,025.02
  4. Step 4: Simplify right side
    1,811.02x = 2,561,617.23
  5. Step 5: Solve for x
    x = 2,561,617.23/1,811.02
  6. Step 6: Final answer
    x = 1,414.46

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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.