Home / 3,039.18-4,192.63-1,779.45

Finding the Fourth Proportional to 3,039.18, 4,192.63 and 1,779.45

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Solution

The fourth proportional to 3,039.18, 4,192.63 and 1,779.45 is: 2,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.18 : 4,192.63 = 1,779.45 : x
  2. Step 2: Convert to fraction form
    3,039.18/4,192.63 = 1,779.45/x
  3. Step 3: Cross multiply
    3,039.18x = 4,192.63 × 1,779.45
  4. Step 4: Simplify right side
    3,039.18x = 7,460,571.00
  5. Step 5: Solve for x
    x = 7,460,571.00/3,039.18
  6. Step 6: Final answer
    x = 2,454.80

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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.