Home / 2,865.05-4,297.64-1,623.59

Finding the Fourth Proportional to 2,865.05, 4,297.64 and 1,623.59

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Solution

The fourth proportional to 2,865.05, 4,297.64 and 1,623.59 is: 2,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.05 : 4,297.64 = 1,623.59 : x
  2. Step 2: Convert to fraction form
    2,865.05/4,297.64 = 1,623.59/x
  3. Step 3: Cross multiply
    2,865.05x = 4,297.64 × 1,623.59
  4. Step 4: Simplify right side
    2,865.05x = 6,977,575.72
  5. Step 5: Solve for x
    x = 6,977,575.72/2,865.05
  6. Step 6: Final answer
    x = 2,435.42

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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.