Home / 1,774.39-2,449.26-1,075.75

Finding the Fourth Proportional to 1,774.39, 2,449.26 and 1,075.75

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Solution

The fourth proportional to 1,774.39, 2,449.26 and 1,075.75 is: 1,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.39 : 2,449.26 = 1,075.75 : x
  2. Step 2: Convert to fraction form
    1,774.39/2,449.26 = 1,075.75/x
  3. Step 3: Cross multiply
    1,774.39x = 2,449.26 × 1,075.75
  4. Step 4: Simplify right side
    1,774.39x = 2,634,791.45
  5. Step 5: Solve for x
    x = 2,634,791.45/1,774.39
  6. Step 6: Final answer
    x = 1,484.90

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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.