Home / 2,919.15-4,379.37-1,070.22

Finding the Fourth Proportional to 2,919.15, 4,379.37 and 1,070.22

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Solution

The fourth proportional to 2,919.15, 4,379.37 and 1,070.22 is: 1,605.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.15 : 4,379.37 = 1,070.22 : x
  2. Step 2: Convert to fraction form
    2,919.15/4,379.37 = 1,070.22/x
  3. Step 3: Cross multiply
    2,919.15x = 4,379.37 × 1,070.22
  4. Step 4: Simplify right side
    2,919.15x = 4,686,889.36
  5. Step 5: Solve for x
    x = 4,686,889.36/2,919.15
  6. Step 6: Final answer
    x = 1,605.57

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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.