Home / 1,779.13-2,664.84-1,160.95

Finding the Fourth Proportional to 1,779.13, 2,664.84 and 1,160.95

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Solution

The fourth proportional to 1,779.13, 2,664.84 and 1,160.95 is: 1,738.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.13 : 2,664.84 = 1,160.95 : x
  2. Step 2: Convert to fraction form
    1,779.13/2,664.84 = 1,160.95/x
  3. Step 3: Cross multiply
    1,779.13x = 2,664.84 × 1,160.95
  4. Step 4: Simplify right side
    1,779.13x = 3,093,746.00
  5. Step 5: Solve for x
    x = 3,093,746.00/1,779.13
  6. Step 6: Final answer
    x = 1,738.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.