Home / 3,929.45-5,895.03-1,297.07

Finding the Fourth Proportional to 3,929.45, 5,895.03 and 1,297.07

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Solution

The fourth proportional to 3,929.45, 5,895.03 and 1,297.07 is: 1,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.45 : 5,895.03 = 1,297.07 : x
  2. Step 2: Convert to fraction form
    3,929.45/5,895.03 = 1,297.07/x
  3. Step 3: Cross multiply
    3,929.45x = 5,895.03 × 1,297.07
  4. Step 4: Simplify right side
    3,929.45x = 7,646,266.56
  5. Step 5: Solve for x
    x = 7,646,266.56/3,929.45
  6. Step 6: Final answer
    x = 1,945.89

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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.