Home / 2,779.70-4,166.31-1,623.02

Finding the Fourth Proportional to 2,779.70, 4,166.31 and 1,623.02

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Solution

The fourth proportional to 2,779.70, 4,166.31 and 1,623.02 is: 2,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.70 : 4,166.31 = 1,623.02 : x
  2. Step 2: Convert to fraction form
    2,779.70/4,166.31 = 1,623.02/x
  3. Step 3: Cross multiply
    2,779.70x = 4,166.31 × 1,623.02
  4. Step 4: Simplify right side
    2,779.70x = 6,762,004.46
  5. Step 5: Solve for x
    x = 6,762,004.46/2,779.70
  6. Step 6: Final answer
    x = 2,432.64

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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.