Home / 3,038.20-4,554.60-1,804.30

Finding the Fourth Proportional to 3,038.20, 4,554.60 and 1,804.30

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Solution

The fourth proportional to 3,038.20, 4,554.60 and 1,804.30 is: 2,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.20 : 4,554.60 = 1,804.30 : x
  2. Step 2: Convert to fraction form
    3,038.20/4,554.60 = 1,804.30/x
  3. Step 3: Cross multiply
    3,038.20x = 4,554.60 × 1,804.30
  4. Step 4: Simplify right side
    3,038.20x = 8,217,864.78
  5. Step 5: Solve for x
    x = 8,217,864.78/3,038.20
  6. Step 6: Final answer
    x = 2,704.85

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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.