Home / 3,316.58-4,576.55-1,900.00

Finding the Fourth Proportional to 3,316.58, 4,576.55 and 1,900.00

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Solution

The fourth proportional to 3,316.58, 4,576.55 and 1,900.00 is: 2,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.58 : 4,576.55 = 1,900.00 : x
  2. Step 2: Convert to fraction form
    3,316.58/4,576.55 = 1,900.00/x
  3. Step 3: Cross multiply
    3,316.58x = 4,576.55 × 1,900.00
  4. Step 4: Simplify right side
    3,316.58x = 8,695,422.12
  5. Step 5: Solve for x
    x = 8,695,422.12/3,316.58
  6. Step 6: Final answer
    x = 2,621.80

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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.