Home / 3,112.83-4,660.74-3,030.21

Finding the Fourth Proportional to 3,112.83, 4,660.74 and 3,030.21

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Solution

The fourth proportional to 3,112.83, 4,660.74 and 3,030.21 is: 4,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.83 : 4,660.74 = 3,030.21 : x
  2. Step 2: Convert to fraction form
    3,112.83/4,660.74 = 3,030.21/x
  3. Step 3: Cross multiply
    3,112.83x = 4,660.74 × 3,030.21
  4. Step 4: Simplify right side
    3,112.83x = 14,123,020.96
  5. Step 5: Solve for x
    x = 14,123,020.96/3,112.83
  6. Step 6: Final answer
    x = 4,537.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.