Home / 3,927.10-5,890.45-1,330.06

Finding the Fourth Proportional to 3,927.10, 5,890.45 and 1,330.06

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Solution

The fourth proportional to 3,927.10, 5,890.45 and 1,330.06 is: 1,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.10 : 5,890.45 = 1,330.06 : x
  2. Step 2: Convert to fraction form
    3,927.10/5,890.45 = 1,330.06/x
  3. Step 3: Cross multiply
    3,927.10x = 5,890.45 × 1,330.06
  4. Step 4: Simplify right side
    3,927.10x = 7,834,651.93
  5. Step 5: Solve for x
    x = 7,834,651.93/3,927.10
  6. Step 6: Final answer
    x = 1,995.02

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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.