Home / 2,297.10-3,165.30-1,900.20

Finding the Fourth Proportional to 2,297.10, 3,165.30 and 1,900.20

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Solution

The fourth proportional to 2,297.10, 3,165.30 and 1,900.20 is: 2,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.10 : 3,165.30 = 1,900.20 : x
  2. Step 2: Convert to fraction form
    2,297.10/3,165.30 = 1,900.20/x
  3. Step 3: Cross multiply
    2,297.10x = 3,165.30 × 1,900.20
  4. Step 4: Simplify right side
    2,297.10x = 6,014,703.06
  5. Step 5: Solve for x
    x = 6,014,703.06/2,297.10
  6. Step 6: Final answer
    x = 2,618.39

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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.