Home / 2,940.90-4,058.66-1,944.45

Finding the Fourth Proportional to 2,940.90, 4,058.66 and 1,944.45

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Solution

The fourth proportional to 2,940.90, 4,058.66 and 1,944.45 is: 2,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.90 : 4,058.66 = 1,944.45 : x
  2. Step 2: Convert to fraction form
    2,940.90/4,058.66 = 1,944.45/x
  3. Step 3: Cross multiply
    2,940.90x = 4,058.66 × 1,944.45
  4. Step 4: Simplify right side
    2,940.90x = 7,891,851.71
  5. Step 5: Solve for x
    x = 7,891,851.71/2,940.90
  6. Step 6: Final answer
    x = 2,683.48

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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.