Home / 1,798.86-2,477.07-1,668.18

Finding the Fourth Proportional to 1,798.86, 2,477.07 and 1,668.18

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Solution

The fourth proportional to 1,798.86, 2,477.07 and 1,668.18 is: 2,297.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.86 : 2,477.07 = 1,668.18 : x
  2. Step 2: Convert to fraction form
    1,798.86/2,477.07 = 1,668.18/x
  3. Step 3: Cross multiply
    1,798.86x = 2,477.07 × 1,668.18
  4. Step 4: Simplify right side
    1,798.86x = 4,132,198.63
  5. Step 5: Solve for x
    x = 4,132,198.63/1,798.86
  6. Step 6: Final answer
    x = 2,297.12

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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.