Home / 3,119.09-4,305.23-1,844.15

Finding the Fourth Proportional to 3,119.09, 4,305.23 and 1,844.15

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Solution

The fourth proportional to 3,119.09, 4,305.23 and 1,844.15 is: 2,545.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.09 : 4,305.23 = 1,844.15 : x
  2. Step 2: Convert to fraction form
    3,119.09/4,305.23 = 1,844.15/x
  3. Step 3: Cross multiply
    3,119.09x = 4,305.23 × 1,844.15
  4. Step 4: Simplify right side
    3,119.09x = 7,939,459.16
  5. Step 5: Solve for x
    x = 7,939,459.16/3,119.09
  6. Step 6: Final answer
    x = 2,545.44

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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.