Home / 3,438.26-4,744.88-1,866.35

Finding the Fourth Proportional to 3,438.26, 4,744.88 and 1,866.35

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Solution

The fourth proportional to 3,438.26, 4,744.88 and 1,866.35 is: 2,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.26 : 4,744.88 = 1,866.35 : x
  2. Step 2: Convert to fraction form
    3,438.26/4,744.88 = 1,866.35/x
  3. Step 3: Cross multiply
    3,438.26x = 4,744.88 × 1,866.35
  4. Step 4: Simplify right side
    3,438.26x = 8,855,573.73
  5. Step 5: Solve for x
    x = 8,855,573.73/3,438.26
  6. Step 6: Final answer
    x = 2,575.60

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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.