Home / 3,172.44-4,377.93-1,775.19

Finding the Fourth Proportional to 3,172.44, 4,377.93 and 1,775.19

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Solution

The fourth proportional to 3,172.44, 4,377.93 and 1,775.19 is: 2,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.44 : 4,377.93 = 1,775.19 : x
  2. Step 2: Convert to fraction form
    3,172.44/4,377.93 = 1,775.19/x
  3. Step 3: Cross multiply
    3,172.44x = 4,377.93 × 1,775.19
  4. Step 4: Simplify right side
    3,172.44x = 7,771,657.56
  5. Step 5: Solve for x
    x = 7,771,657.56/3,172.44
  6. Step 6: Final answer
    x = 2,449.74

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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.