Home / 1,788.19-2,466.80-1,346.69

Finding the Fourth Proportional to 1,788.19, 2,466.80 and 1,346.69

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Solution

The fourth proportional to 1,788.19, 2,466.80 and 1,346.69 is: 1,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.19 : 2,466.80 = 1,346.69 : x
  2. Step 2: Convert to fraction form
    1,788.19/2,466.80 = 1,346.69/x
  3. Step 3: Cross multiply
    1,788.19x = 2,466.80 × 1,346.69
  4. Step 4: Simplify right side
    1,788.19x = 3,322,026.95
  5. Step 5: Solve for x
    x = 3,322,026.95/1,788.19
  6. Step 6: Final answer
    x = 1,857.76

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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.