Home / 3,305.36-4,561.56-1,889.12

Finding the Fourth Proportional to 3,305.36, 4,561.56 and 1,889.12

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Solution

The fourth proportional to 3,305.36, 4,561.56 and 1,889.12 is: 2,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.36 : 4,561.56 = 1,889.12 : x
  2. Step 2: Convert to fraction form
    3,305.36/4,561.56 = 1,889.12/x
  3. Step 3: Cross multiply
    3,305.36x = 4,561.56 × 1,889.12
  4. Step 4: Simplify right side
    3,305.36x = 8,617,334.23
  5. Step 5: Solve for x
    x = 8,617,334.23/3,305.36
  6. Step 6: Final answer
    x = 2,607.08

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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.