Home / 3,539.93-4,885.37-2,123.67

Finding the Fourth Proportional to 3,539.93, 4,885.37 and 2,123.67

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Solution

The fourth proportional to 3,539.93, 4,885.37 and 2,123.67 is: 2,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.93 : 4,885.37 = 2,123.67 : x
  2. Step 2: Convert to fraction form
    3,539.93/4,885.37 = 2,123.67/x
  3. Step 3: Cross multiply
    3,539.93x = 4,885.37 × 2,123.67
  4. Step 4: Simplify right side
    3,539.93x = 10,374,903.09
  5. Step 5: Solve for x
    x = 10,374,903.09/3,539.93
  6. Step 6: Final answer
    x = 2,930.83

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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.