Home / 2,779.04-4,169.37-1,316.18

Finding the Fourth Proportional to 2,779.04, 4,169.37 and 1,316.18

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Solution

The fourth proportional to 2,779.04, 4,169.37 and 1,316.18 is: 1,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.04 : 4,169.37 = 1,316.18 : x
  2. Step 2: Convert to fraction form
    2,779.04/4,169.37 = 1,316.18/x
  3. Step 3: Cross multiply
    2,779.04x = 4,169.37 × 1,316.18
  4. Step 4: Simplify right side
    2,779.04x = 5,487,641.41
  5. Step 5: Solve for x
    x = 5,487,641.41/2,779.04
  6. Step 6: Final answer
    x = 1,974.65

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1.5x scale

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.