Home / 2,919.98-4,030.73-1,975.32

Finding the Fourth Proportional to 2,919.98, 4,030.73 and 1,975.32

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Solution

The fourth proportional to 2,919.98, 4,030.73 and 1,975.32 is: 2,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.98 : 4,030.73 = 1,975.32 : x
  2. Step 2: Convert to fraction form
    2,919.98/4,030.73 = 1,975.32/x
  3. Step 3: Cross multiply
    2,919.98x = 4,030.73 × 1,975.32
  4. Step 4: Simplify right side
    2,919.98x = 7,961,971.71
  5. Step 5: Solve for x
    x = 7,961,971.71/2,919.98
  6. Step 6: Final answer
    x = 2,726.73

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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.