Home / 1,646.26-2,269.48-1,362.85

Finding the Fourth Proportional to 1,646.26, 2,269.48 and 1,362.85

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Solution

The fourth proportional to 1,646.26, 2,269.48 and 1,362.85 is: 1,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.26 : 2,269.48 = 1,362.85 : x
  2. Step 2: Convert to fraction form
    1,646.26/2,269.48 = 1,362.85/x
  3. Step 3: Cross multiply
    1,646.26x = 2,269.48 × 1,362.85
  4. Step 4: Simplify right side
    1,646.26x = 3,092,942.66
  5. Step 5: Solve for x
    x = 3,092,942.66/1,646.26
  6. Step 6: Final answer
    x = 1,878.77

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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.