Home / 2,041.82-2,823.37-1,621.43

Finding the Fourth Proportional to 2,041.82, 2,823.37 and 1,621.43

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Solution

The fourth proportional to 2,041.82, 2,823.37 and 1,621.43 is: 2,242.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.82 : 2,823.37 = 1,621.43 : x
  2. Step 2: Convert to fraction form
    2,041.82/2,823.37 = 1,621.43/x
  3. Step 3: Cross multiply
    2,041.82x = 2,823.37 × 1,621.43
  4. Step 4: Simplify right side
    2,041.82x = 4,577,914.24
  5. Step 5: Solve for x
    x = 4,577,914.24/2,041.82
  6. Step 6: Final answer
    x = 2,242.07

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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.