Home / 3,865.41-5,328.33-2,370.55

Finding the Fourth Proportional to 3,865.41, 5,328.33 and 2,370.55

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Solution

The fourth proportional to 3,865.41, 5,328.33 and 2,370.55 is: 3,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.41 : 5,328.33 = 2,370.55 : x
  2. Step 2: Convert to fraction form
    3,865.41/5,328.33 = 2,370.55/x
  3. Step 3: Cross multiply
    3,865.41x = 5,328.33 × 2,370.55
  4. Step 4: Simplify right side
    3,865.41x = 12,631,072.68
  5. Step 5: Solve for x
    x = 12,631,072.68/3,865.41
  6. Step 6: Final answer
    x = 3,267.72

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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.