Home / 3,515.36-5,273.40-1,325.93

Finding the Fourth Proportional to 3,515.36, 5,273.40 and 1,325.93

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Solution

The fourth proportional to 3,515.36, 5,273.40 and 1,325.93 is: 1,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.36 : 5,273.40 = 1,325.93 : x
  2. Step 2: Convert to fraction form
    3,515.36/5,273.40 = 1,325.93/x
  3. Step 3: Cross multiply
    3,515.36x = 5,273.40 × 1,325.93
  4. Step 4: Simplify right side
    3,515.36x = 6,992,159.26
  5. Step 5: Solve for x
    x = 6,992,159.26/3,515.36
  6. Step 6: Final answer
    x = 1,989.03

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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.