Home / 2,945.36-4,064.40-1,619

Finding the Fourth Proportional to 2,945.36, 4,064.40 and 1,619

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Solution

The fourth proportional to 2,945.36, 4,064.40 and 1,619 is: 2,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.36 : 4,064.40 = 1,619 : x
  2. Step 2: Convert to fraction form
    2,945.36/4,064.40 = 1,619/x
  3. Step 3: Cross multiply
    2,945.36x = 4,064.40 × 1,619
  4. Step 4: Simplify right side
    2,945.36x = 6,580,263.60
  5. Step 5: Solve for x
    x = 6,580,263.60/2,945.36
  6. Step 6: Final answer
    x = 2,234.11

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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.