Home / 1,775.07-2,449.10-1,028.88

Finding the Fourth Proportional to 1,775.07, 2,449.10 and 1,028.88

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Solution

The fourth proportional to 1,775.07, 2,449.10 and 1,028.88 is: 1,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.07 : 2,449.10 = 1,028.88 : x
  2. Step 2: Convert to fraction form
    1,775.07/2,449.10 = 1,028.88/x
  3. Step 3: Cross multiply
    1,775.07x = 2,449.10 × 1,028.88
  4. Step 4: Simplify right side
    1,775.07x = 2,519,832.58
  5. Step 5: Solve for x
    x = 2,519,832.58/1,775.07
  6. Step 6: Final answer
    x = 1,419.57

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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.