Home / 3,927.52-5,890.92-1,330.16

Finding the Fourth Proportional to 3,927.52, 5,890.92 and 1,330.16

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Solution

The fourth proportional to 3,927.52, 5,890.92 and 1,330.16 is: 1,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.52 : 5,890.92 = 1,330.16 : x
  2. Step 2: Convert to fraction form
    3,927.52/5,890.92 = 1,330.16/x
  3. Step 3: Cross multiply
    3,927.52x = 5,890.92 × 1,330.16
  4. Step 4: Simplify right side
    3,927.52x = 7,835,866.15
  5. Step 5: Solve for x
    x = 7,835,866.15/3,927.52
  6. Step 6: Final answer
    x = 1,995.12

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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.