Home / 3,665.52-5,497.67-1,325.07

Finding the Fourth Proportional to 3,665.52, 5,497.67 and 1,325.07

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Solution

The fourth proportional to 3,665.52, 5,497.67 and 1,325.07 is: 1,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.52 : 5,497.67 = 1,325.07 : x
  2. Step 2: Convert to fraction form
    3,665.52/5,497.67 = 1,325.07/x
  3. Step 3: Cross multiply
    3,665.52x = 5,497.67 × 1,325.07
  4. Step 4: Simplify right side
    3,665.52x = 7,284,797.59
  5. Step 5: Solve for x
    x = 7,284,797.59/3,665.52
  6. Step 6: Final answer
    x = 1,987.38

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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.