Home / 3,215.91-4,437.93-1,799.73

Finding the Fourth Proportional to 3,215.91, 4,437.93 and 1,799.73

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Solution

The fourth proportional to 3,215.91, 4,437.93 and 1,799.73 is: 2,483.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.91 : 4,437.93 = 1,799.73 : x
  2. Step 2: Convert to fraction form
    3,215.91/4,437.93 = 1,799.73/x
  3. Step 3: Cross multiply
    3,215.91x = 4,437.93 × 1,799.73
  4. Step 4: Simplify right side
    3,215.91x = 7,987,075.76
  5. Step 5: Solve for x
    x = 7,987,075.76/3,215.91
  6. Step 6: Final answer
    x = 2,483.61

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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.