Home / 1,696.24-2,342.42-1,108.18

Finding the Fourth Proportional to 1,696.24, 2,342.42 and 1,108.18

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Solution

The fourth proportional to 1,696.24, 2,342.42 and 1,108.18 is: 1,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.24 : 2,342.42 = 1,108.18 : x
  2. Step 2: Convert to fraction form
    1,696.24/2,342.42 = 1,108.18/x
  3. Step 3: Cross multiply
    1,696.24x = 2,342.42 × 1,108.18
  4. Step 4: Simplify right side
    1,696.24x = 2,595,823.00
  5. Step 5: Solve for x
    x = 2,595,823.00/1,696.24
  6. Step 6: Final answer
    x = 1,530.34

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Half scale
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Double scale
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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.