Home / 2,117.63-2,922.66-1,668.48

Finding the Fourth Proportional to 2,117.63, 2,922.66 and 1,668.48

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Solution

The fourth proportional to 2,117.63, 2,922.66 and 1,668.48 is: 2,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.63 : 2,922.66 = 1,668.48 : x
  2. Step 2: Convert to fraction form
    2,117.63/2,922.66 = 1,668.48/x
  3. Step 3: Cross multiply
    2,117.63x = 2,922.66 × 1,668.48
  4. Step 4: Simplify right side
    2,117.63x = 4,876,399.76
  5. Step 5: Solve for x
    x = 4,876,399.76/2,117.63
  6. Step 6: Final answer
    x = 2,302.77

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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.