Home / 3,166.09-4,374.75-2,285.80

Finding the Fourth Proportional to 3,166.09, 4,374.75 and 2,285.80

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Solution

The fourth proportional to 3,166.09, 4,374.75 and 2,285.80 is: 3,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.09 : 4,374.75 = 2,285.80 : x
  2. Step 2: Convert to fraction form
    3,166.09/4,374.75 = 2,285.80/x
  3. Step 3: Cross multiply
    3,166.09x = 4,374.75 × 2,285.80
  4. Step 4: Simplify right side
    3,166.09x = 9,999,803.55
  5. Step 5: Solve for x
    x = 9,999,803.55/3,166.09
  6. Step 6: Final answer
    x = 3,158.41

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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.