Home / 3,438.08-4,744.56-1,866.18

Finding the Fourth Proportional to 3,438.08, 4,744.56 and 1,866.18

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Solution

The fourth proportional to 3,438.08, 4,744.56 and 1,866.18 is: 2,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.08 : 4,744.56 = 1,866.18 : x
  2. Step 2: Convert to fraction form
    3,438.08/4,744.56 = 1,866.18/x
  3. Step 3: Cross multiply
    3,438.08x = 4,744.56 × 1,866.18
  4. Step 4: Simplify right side
    3,438.08x = 8,854,202.98
  5. Step 5: Solve for x
    x = 8,854,202.98/3,438.08
  6. Step 6: Final answer
    x = 2,575.33

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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.