Home / 3,415.51-5,125.69-2,636.29

Finding the Fourth Proportional to 3,415.51, 5,125.69 and 2,636.29

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Solution

The fourth proportional to 3,415.51, 5,125.69 and 2,636.29 is: 3,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.51 : 5,125.69 = 2,636.29 : x
  2. Step 2: Convert to fraction form
    3,415.51/5,125.69 = 2,636.29/x
  3. Step 3: Cross multiply
    3,415.51x = 5,125.69 × 2,636.29
  4. Step 4: Simplify right side
    3,415.51x = 13,512,779.66
  5. Step 5: Solve for x
    x = 13,512,779.66/3,415.51
  6. Step 6: Final answer
    x = 3,956.31

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1.5x scale

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.