Home / 4,188.82-5,779.71-2,487.01

Finding the Fourth Proportional to 4,188.82, 5,779.71 and 2,487.01

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Solution

The fourth proportional to 4,188.82, 5,779.71 and 2,487.01 is: 3,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.82 : 5,779.71 = 2,487.01 : x
  2. Step 2: Convert to fraction form
    4,188.82/5,779.71 = 2,487.01/x
  3. Step 3: Cross multiply
    4,188.82x = 5,779.71 × 2,487.01
  4. Step 4: Simplify right side
    4,188.82x = 14,374,196.57
  5. Step 5: Solve for x
    x = 14,374,196.57/4,188.82
  6. Step 6: Final answer
    x = 3,431.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.