Home / 2,975.01-4,104.87-1,779.83

Finding the Fourth Proportional to 2,975.01, 4,104.87 and 1,779.83

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Solution

The fourth proportional to 2,975.01, 4,104.87 and 1,779.83 is: 2,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.01 : 4,104.87 = 1,779.83 : x
  2. Step 2: Convert to fraction form
    2,975.01/4,104.87 = 1,779.83/x
  3. Step 3: Cross multiply
    2,975.01x = 4,104.87 × 1,779.83
  4. Step 4: Simplify right side
    2,975.01x = 7,305,970.77
  5. Step 5: Solve for x
    x = 7,305,970.77/2,975.01
  6. Step 6: Final answer
    x = 2,455.78

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1.5x scale

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.