Home / 2,315.00-3,475.96-1,851.41

Finding the Fourth Proportional to 2,315.00, 3,475.96 and 1,851.41

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Solution

The fourth proportional to 2,315.00, 3,475.96 and 1,851.41 is: 2,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315.00 : 3,475.96 = 1,851.41 : x
  2. Step 2: Convert to fraction form
    2,315.00/3,475.96 = 1,851.41/x
  3. Step 3: Cross multiply
    2,315.00x = 3,475.96 × 1,851.41
  4. Step 4: Simplify right side
    2,315.00x = 6,435,431.16
  5. Step 5: Solve for x
    x = 6,435,431.16/2,315.00
  6. Step 6: Final answer
    x = 2,779.88

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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.