Home / 2,074.56-3,112.41-904.66

Finding the Fourth Proportional to 2,074.56, 3,112.41 and 904.66

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Solution

The fourth proportional to 2,074.56, 3,112.41 and 904.66 is: 1,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.56 : 3,112.41 = 904.66 : x
  2. Step 2: Convert to fraction form
    2,074.56/3,112.41 = 904.66/x
  3. Step 3: Cross multiply
    2,074.56x = 3,112.41 × 904.66
  4. Step 4: Simplify right side
    2,074.56x = 2,815,672.96
  5. Step 5: Solve for x
    x = 2,815,672.96/2,074.56
  6. Step 6: Final answer
    x = 1,357.24

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1.5x scale

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.