Home / 1,779.06-2,670.90-1,368.49

Finding the Fourth Proportional to 1,779.06, 2,670.90 and 1,368.49

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Solution

The fourth proportional to 1,779.06, 2,670.90 and 1,368.49 is: 2,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.06 : 2,670.90 = 1,368.49 : x
  2. Step 2: Convert to fraction form
    1,779.06/2,670.90 = 1,368.49/x
  3. Step 3: Cross multiply
    1,779.06x = 2,670.90 × 1,368.49
  4. Step 4: Simplify right side
    1,779.06x = 3,655,093.26
  5. Step 5: Solve for x
    x = 3,655,093.26/1,779.06
  6. Step 6: Final answer
    x = 2,054.51

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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.