Home / 2,185.96-3,030.67-2,113.96

Finding the Fourth Proportional to 2,185.96, 3,030.67 and 2,113.96

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Solution

The fourth proportional to 2,185.96, 3,030.67 and 2,113.96 is: 2,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.96 : 3,030.67 = 2,113.96 : x
  2. Step 2: Convert to fraction form
    2,185.96/3,030.67 = 2,113.96/x
  3. Step 3: Cross multiply
    2,185.96x = 3,030.67 × 2,113.96
  4. Step 4: Simplify right side
    2,185.96x = 6,406,715.15
  5. Step 5: Solve for x
    x = 6,406,715.15/2,185.96
  6. Step 6: Final answer
    x = 2,930.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.