Home / 3,030.96-4,182.90-2,020.92

Finding the Fourth Proportional to 3,030.96, 4,182.90 and 2,020.92

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Solution

The fourth proportional to 3,030.96, 4,182.90 and 2,020.92 is: 2,788.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.96 : 4,182.90 = 2,020.92 : x
  2. Step 2: Convert to fraction form
    3,030.96/4,182.90 = 2,020.92/x
  3. Step 3: Cross multiply
    3,030.96x = 4,182.90 × 2,020.92
  4. Step 4: Simplify right side
    3,030.96x = 8,453,314.38
  5. Step 5: Solve for x
    x = 8,453,314.38/3,030.96
  6. Step 6: Final answer
    x = 2,788.99

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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.