Home / 1,655.25-2,482.24-1,108.50

Finding the Fourth Proportional to 1,655.25, 2,482.24 and 1,108.50

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Solution

The fourth proportional to 1,655.25, 2,482.24 and 1,108.50 is: 1,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.25 : 2,482.24 = 1,108.50 : x
  2. Step 2: Convert to fraction form
    1,655.25/2,482.24 = 1,108.50/x
  3. Step 3: Cross multiply
    1,655.25x = 2,482.24 × 1,108.50
  4. Step 4: Simplify right side
    1,655.25x = 2,751,563.04
  5. Step 5: Solve for x
    x = 2,751,563.04/1,655.25
  6. Step 6: Final answer
    x = 1,662.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.