Home / 3,438.36-4,744.94-1,866.45

Finding the Fourth Proportional to 3,438.36, 4,744.94 and 1,866.45

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Solution

The fourth proportional to 3,438.36, 4,744.94 and 1,866.45 is: 2,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.36 : 4,744.94 = 1,866.45 : x
  2. Step 2: Convert to fraction form
    3,438.36/4,744.94 = 1,866.45/x
  3. Step 3: Cross multiply
    3,438.36x = 4,744.94 × 1,866.45
  4. Step 4: Simplify right side
    3,438.36x = 8,856,193.26
  5. Step 5: Solve for x
    x = 8,856,193.26/3,438.36
  6. Step 6: Final answer
    x = 2,575.70

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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.