Home / 3,015.36-4,518.99-1,974.92

Finding the Fourth Proportional to 3,015.36, 4,518.99 and 1,974.92

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Solution

The fourth proportional to 3,015.36, 4,518.99 and 1,974.92 is: 2,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.36 : 4,518.99 = 1,974.92 : x
  2. Step 2: Convert to fraction form
    3,015.36/4,518.99 = 1,974.92/x
  3. Step 3: Cross multiply
    3,015.36x = 4,518.99 × 1,974.92
  4. Step 4: Simplify right side
    3,015.36x = 8,924,621.14
  5. Step 5: Solve for x
    x = 8,924,621.14/3,015.36
  6. Step 6: Final answer
    x = 2,959.72

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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.