Home / 1,800.07-2,693.99-1,107.17

Finding the Fourth Proportional to 1,800.07, 2,693.99 and 1,107.17

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Solution

The fourth proportional to 1,800.07, 2,693.99 and 1,107.17 is: 1,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800.07 : 2,693.99 = 1,107.17 : x
  2. Step 2: Convert to fraction form
    1,800.07/2,693.99 = 1,107.17/x
  3. Step 3: Cross multiply
    1,800.07x = 2,693.99 × 1,107.17
  4. Step 4: Simplify right side
    1,800.07x = 2,982,694.21
  5. Step 5: Solve for x
    x = 2,982,694.21/1,800.07
  6. Step 6: Final answer
    x = 1,656.99

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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.