Home / 2,779.52-4,136.56-2,675.84

Finding the Fourth Proportional to 2,779.52, 4,136.56 and 2,675.84

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Solution

The fourth proportional to 2,779.52, 4,136.56 and 2,675.84 is: 3,982.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.52 : 4,136.56 = 2,675.84 : x
  2. Step 2: Convert to fraction form
    2,779.52/4,136.56 = 2,675.84/x
  3. Step 3: Cross multiply
    2,779.52x = 4,136.56 × 2,675.84
  4. Step 4: Simplify right side
    2,779.52x = 11,068,772.71
  5. Step 5: Solve for x
    x = 11,068,772.71/2,779.52
  6. Step 6: Final answer
    x = 3,982.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.