Home / 2,428.30-3,642.45-1,804.60

Finding the Fourth Proportional to 2,428.30, 3,642.45 and 1,804.60

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Solution

The fourth proportional to 2,428.30, 3,642.45 and 1,804.60 is: 2,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.30 : 3,642.45 = 1,804.60 : x
  2. Step 2: Convert to fraction form
    2,428.30/3,642.45 = 1,804.60/x
  3. Step 3: Cross multiply
    2,428.30x = 3,642.45 × 1,804.60
  4. Step 4: Simplify right side
    2,428.30x = 6,573,165.27
  5. Step 5: Solve for x
    x = 6,573,165.27/2,428.30
  6. Step 6: Final answer
    x = 2,706.90

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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.