Home / 1,324.07-1,985.39-1,015.16

Finding the Fourth Proportional to 1,324.07, 1,985.39 and 1,015.16

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Solution

The fourth proportional to 1,324.07, 1,985.39 and 1,015.16 is: 1,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.07 : 1,985.39 = 1,015.16 : x
  2. Step 2: Convert to fraction form
    1,324.07/1,985.39 = 1,015.16/x
  3. Step 3: Cross multiply
    1,324.07x = 1,985.39 × 1,015.16
  4. Step 4: Simplify right side
    1,324.07x = 2,015,478.59
  5. Step 5: Solve for x
    x = 2,015,478.59/1,324.07
  6. Step 6: Final answer
    x = 1,522.18

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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.