Home / 1,809.24-2,493.38-1,777.32

Finding the Fourth Proportional to 1,809.24, 2,493.38 and 1,777.32

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Solution

The fourth proportional to 1,809.24, 2,493.38 and 1,777.32 is: 2,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.24 : 2,493.38 = 1,777.32 : x
  2. Step 2: Convert to fraction form
    1,809.24/2,493.38 = 1,777.32/x
  3. Step 3: Cross multiply
    1,809.24x = 2,493.38 × 1,777.32
  4. Step 4: Simplify right side
    1,809.24x = 4,431,534.14
  5. Step 5: Solve for x
    x = 4,431,534.14/1,809.24
  6. Step 6: Final answer
    x = 2,449.39

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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.