Home / 2,574.46-3,855.82-2,015.68

Finding the Fourth Proportional to 2,574.46, 3,855.82 and 2,015.68

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Solution

The fourth proportional to 2,574.46, 3,855.82 and 2,015.68 is: 3,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.46 : 3,855.82 = 2,015.68 : x
  2. Step 2: Convert to fraction form
    2,574.46/3,855.82 = 2,015.68/x
  3. Step 3: Cross multiply
    2,574.46x = 3,855.82 × 2,015.68
  4. Step 4: Simplify right side
    2,574.46x = 7,772,099.26
  5. Step 5: Solve for x
    x = 7,772,099.26/2,574.46
  6. Step 6: Final answer
    x = 3,018.92

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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.