Home / 1,675.06-2,314.31-1,394.39

Finding the Fourth Proportional to 1,675.06, 2,314.31 and 1,394.39

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Solution

The fourth proportional to 1,675.06, 2,314.31 and 1,394.39 is: 1,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.06 : 2,314.31 = 1,394.39 : x
  2. Step 2: Convert to fraction form
    1,675.06/2,314.31 = 1,394.39/x
  3. Step 3: Cross multiply
    1,675.06x = 2,314.31 × 1,394.39
  4. Step 4: Simplify right side
    1,675.06x = 3,227,043.75
  5. Step 5: Solve for x
    x = 3,227,043.75/1,675.06
  6. Step 6: Final answer
    x = 1,926.53

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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.