Home / 2,779.80-4,170.36-1,048.46

Finding the Fourth Proportional to 2,779.80, 4,170.36 and 1,048.46

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Solution

The fourth proportional to 2,779.80, 4,170.36 and 1,048.46 is: 1,572.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.80 : 4,170.36 = 1,048.46 : x
  2. Step 2: Convert to fraction form
    2,779.80/4,170.36 = 1,048.46/x
  3. Step 3: Cross multiply
    2,779.80x = 4,170.36 × 1,048.46
  4. Step 4: Simplify right side
    2,779.80x = 4,372,455.65
  5. Step 5: Solve for x
    x = 4,372,455.65/2,779.80
  6. Step 6: Final answer
    x = 1,572.94

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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.