Home / 2,779.19-4,169.47-2,551.38

Finding the Fourth Proportional to 2,779.19, 4,169.47 and 2,551.38

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Solution

The fourth proportional to 2,779.19, 4,169.47 and 2,551.38 is: 3,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.19 : 4,169.47 = 2,551.38 : x
  2. Step 2: Convert to fraction form
    2,779.19/4,169.47 = 2,551.38/x
  3. Step 3: Cross multiply
    2,779.19x = 4,169.47 × 2,551.38
  4. Step 4: Simplify right side
    2,779.19x = 10,637,877.96
  5. Step 5: Solve for x
    x = 10,637,877.96/2,779.19
  6. Step 6: Final answer
    x = 3,827.69

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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.