Home / 3,783.16-5,675.65-1,186.10

Finding the Fourth Proportional to 3,783.16, 5,675.65 and 1,186.10

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Solution

The fourth proportional to 3,783.16, 5,675.65 and 1,186.10 is: 1,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.16 : 5,675.65 = 1,186.10 : x
  2. Step 2: Convert to fraction form
    3,783.16/5,675.65 = 1,186.10/x
  3. Step 3: Cross multiply
    3,783.16x = 5,675.65 × 1,186.10
  4. Step 4: Simplify right side
    3,783.16x = 6,731,854.16
  5. Step 5: Solve for x
    x = 6,731,854.16/3,783.16
  6. Step 6: Final answer
    x = 1,779.43

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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.