Home / 3,000.74-4,136.31-2,759.36

Finding the Fourth Proportional to 3,000.74, 4,136.31 and 2,759.36

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Solution

The fourth proportional to 3,000.74, 4,136.31 and 2,759.36 is: 3,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.74 : 4,136.31 = 2,759.36 : x
  2. Step 2: Convert to fraction form
    3,000.74/4,136.31 = 2,759.36/x
  3. Step 3: Cross multiply
    3,000.74x = 4,136.31 × 2,759.36
  4. Step 4: Simplify right side
    3,000.74x = 11,413,547.68
  5. Step 5: Solve for x
    x = 11,413,547.68/3,000.74
  6. Step 6: Final answer
    x = 3,803.58

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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.