Home / 3,261.70-4,893.45-1,315.27

Finding the Fourth Proportional to 3,261.70, 4,893.45 and 1,315.27

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Solution

The fourth proportional to 3,261.70, 4,893.45 and 1,315.27 is: 1,973.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.70 : 4,893.45 = 1,315.27 : x
  2. Step 2: Convert to fraction form
    3,261.70/4,893.45 = 1,315.27/x
  3. Step 3: Cross multiply
    3,261.70x = 4,893.45 × 1,315.27
  4. Step 4: Simplify right side
    3,261.70x = 6,436,207.98
  5. Step 5: Solve for x
    x = 6,436,207.98/3,261.70
  6. Step 6: Final answer
    x = 1,973.27

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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.