Home / 4,319.99-5,959.94-2,640.05

Finding the Fourth Proportional to 4,319.99, 5,959.94 and 2,640.05

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Solution

The fourth proportional to 4,319.99, 5,959.94 and 2,640.05 is: 3,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.99 : 5,959.94 = 2,640.05 : x
  2. Step 2: Convert to fraction form
    4,319.99/5,959.94 = 2,640.05/x
  3. Step 3: Cross multiply
    4,319.99x = 5,959.94 × 2,640.05
  4. Step 4: Simplify right side
    4,319.99x = 15,734,539.60
  5. Step 5: Solve for x
    x = 15,734,539.60/4,319.99
  6. Step 6: Final answer
    x = 3,642.26

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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.