Home / 2,192.40-3,285.86-1,097.08

Finding the Fourth Proportional to 2,192.40, 3,285.86 and 1,097.08

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Solution

The fourth proportional to 2,192.40, 3,285.86 and 1,097.08 is: 1,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.40 : 3,285.86 = 1,097.08 : x
  2. Step 2: Convert to fraction form
    2,192.40/3,285.86 = 1,097.08/x
  3. Step 3: Cross multiply
    2,192.40x = 3,285.86 × 1,097.08
  4. Step 4: Simplify right side
    2,192.40x = 3,604,851.29
  5. Step 5: Solve for x
    x = 3,604,851.29/2,192.40
  6. Step 6: Final answer
    x = 1,644.25

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1.5x scale

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.