Home / 1,695.77-2,338.95-1,556.33

Finding the Fourth Proportional to 1,695.77, 2,338.95 and 1,556.33

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Solution

The fourth proportional to 1,695.77, 2,338.95 and 1,556.33 is: 2,146.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.77 : 2,338.95 = 1,556.33 : x
  2. Step 2: Convert to fraction form
    1,695.77/2,338.95 = 1,556.33/x
  3. Step 3: Cross multiply
    1,695.77x = 2,338.95 × 1,556.33
  4. Step 4: Simplify right side
    1,695.77x = 3,640,178.05
  5. Step 5: Solve for x
    x = 3,640,178.05/1,695.77
  6. Step 6: Final answer
    x = 2,146.62

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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.