Home / 2,788.59-3,848.14-1,668.87

Finding the Fourth Proportional to 2,788.59, 3,848.14 and 1,668.87

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Solution

The fourth proportional to 2,788.59, 3,848.14 and 1,668.87 is: 2,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.59 : 3,848.14 = 1,668.87 : x
  2. Step 2: Convert to fraction form
    2,788.59/3,848.14 = 1,668.87/x
  3. Step 3: Cross multiply
    2,788.59x = 3,848.14 × 1,668.87
  4. Step 4: Simplify right side
    2,788.59x = 6,422,017.82
  5. Step 5: Solve for x
    x = 6,422,017.82/2,788.59
  6. Step 6: Final answer
    x = 2,302.96

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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.