Home / 3,823.60-5,732.31-1,357.08

Finding the Fourth Proportional to 3,823.60, 5,732.31 and 1,357.08

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Solution

The fourth proportional to 3,823.60, 5,732.31 and 1,357.08 is: 2,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.60 : 5,732.31 = 1,357.08 : x
  2. Step 2: Convert to fraction form
    3,823.60/5,732.31 = 1,357.08/x
  3. Step 3: Cross multiply
    3,823.60x = 5,732.31 × 1,357.08
  4. Step 4: Simplify right side
    3,823.60x = 7,779,174.59
  5. Step 5: Solve for x
    x = 7,779,174.59/3,823.60
  6. Step 6: Final answer
    x = 2,034.52

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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.