Home / 3,779.64-5,666.40-2,853.36

Finding the Fourth Proportional to 3,779.64, 5,666.40 and 2,853.36

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Solution

The fourth proportional to 3,779.64, 5,666.40 and 2,853.36 is: 4,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.64 : 5,666.40 = 2,853.36 : x
  2. Step 2: Convert to fraction form
    3,779.64/5,666.40 = 2,853.36/x
  3. Step 3: Cross multiply
    3,779.64x = 5,666.40 × 2,853.36
  4. Step 4: Simplify right side
    3,779.64x = 16,168,279.10
  5. Step 5: Solve for x
    x = 16,168,279.10/3,779.64
  6. Step 6: Final answer
    x = 4,277.73

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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.