Home / 2,621.93-3,619.23-1,738.02

Finding the Fourth Proportional to 2,621.93, 3,619.23 and 1,738.02

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Solution

The fourth proportional to 2,621.93, 3,619.23 and 1,738.02 is: 2,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.93 : 3,619.23 = 1,738.02 : x
  2. Step 2: Convert to fraction form
    2,621.93/3,619.23 = 1,738.02/x
  3. Step 3: Cross multiply
    2,621.93x = 3,619.23 × 1,738.02
  4. Step 4: Simplify right side
    2,621.93x = 6,290,294.12
  5. Step 5: Solve for x
    x = 6,290,294.12/2,621.93
  6. Step 6: Final answer
    x = 2,399.11

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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.