Home / 3,779.52-5,667.05-1,146.23

Finding the Fourth Proportional to 3,779.52, 5,667.05 and 1,146.23

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Solution

The fourth proportional to 3,779.52, 5,667.05 and 1,146.23 is: 1,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.52 : 5,667.05 = 1,146.23 : x
  2. Step 2: Convert to fraction form
    3,779.52/5,667.05 = 1,146.23/x
  3. Step 3: Cross multiply
    3,779.52x = 5,667.05 × 1,146.23
  4. Step 4: Simplify right side
    3,779.52x = 6,495,708.66
  5. Step 5: Solve for x
    x = 6,495,708.66/3,779.52
  6. Step 6: Final answer
    x = 1,718.66

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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.