Home / 3,895.41-5,370.48-3,000.57

Finding the Fourth Proportional to 3,895.41, 5,370.48 and 3,000.57

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Solution

The fourth proportional to 3,895.41, 5,370.48 and 3,000.57 is: 4,136.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.41 : 5,370.48 = 3,000.57 : x
  2. Step 2: Convert to fraction form
    3,895.41/5,370.48 = 3,000.57/x
  3. Step 3: Cross multiply
    3,895.41x = 5,370.48 × 3,000.57
  4. Step 4: Simplify right side
    3,895.41x = 16,114,501.17
  5. Step 5: Solve for x
    x = 16,114,501.17/3,895.41
  6. Step 6: Final answer
    x = 4,136.79

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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.