Home / 3,779.12-5,664.63-1,828.64

Finding the Fourth Proportional to 3,779.12, 5,664.63 and 1,828.64

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Solution

The fourth proportional to 3,779.12, 5,664.63 and 1,828.64 is: 2,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.12 : 5,664.63 = 1,828.64 : x
  2. Step 2: Convert to fraction form
    3,779.12/5,664.63 = 1,828.64/x
  3. Step 3: Cross multiply
    3,779.12x = 5,664.63 × 1,828.64
  4. Step 4: Simplify right side
    3,779.12x = 10,358,569.00
  5. Step 5: Solve for x
    x = 10,358,569.00/3,779.12
  6. Step 6: Final answer
    x = 2,741.00

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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.