Home / 2,907.26-4,012.12-1,665.50

Finding the Fourth Proportional to 2,907.26, 4,012.12 and 1,665.50

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Solution

The fourth proportional to 2,907.26, 4,012.12 and 1,665.50 is: 2,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.26 : 4,012.12 = 1,665.50 : x
  2. Step 2: Convert to fraction form
    2,907.26/4,012.12 = 1,665.50/x
  3. Step 3: Cross multiply
    2,907.26x = 4,012.12 × 1,665.50
  4. Step 4: Simplify right side
    2,907.26x = 6,682,161.64
  5. Step 5: Solve for x
    x = 6,682,161.64/2,907.26
  6. Step 6: Final answer
    x = 2,298.44

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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.