Home / 2,621.98-3,619.84-1,738.98

Finding the Fourth Proportional to 2,621.98, 3,619.84 and 1,738.98

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Solution

The fourth proportional to 2,621.98, 3,619.84 and 1,738.98 is: 2,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.98 : 3,619.84 = 1,738.98 : x
  2. Step 2: Convert to fraction form
    2,621.98/3,619.84 = 1,738.98/x
  3. Step 3: Cross multiply
    2,621.98x = 3,619.84 × 1,738.98
  4. Step 4: Simplify right side
    2,621.98x = 6,294,829.36
  5. Step 5: Solve for x
    x = 6,294,829.36/2,621.98
  6. Step 6: Final answer
    x = 2,400.79

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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.