Home / 1,095.03-1,511.33-653.09

Finding the Fourth Proportional to 1,095.03, 1,511.33 and 653.09

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Solution

The fourth proportional to 1,095.03, 1,511.33 and 653.09 is: 901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.03 : 1,511.33 = 653.09 : x
  2. Step 2: Convert to fraction form
    1,095.03/1,511.33 = 653.09/x
  3. Step 3: Cross multiply
    1,095.03x = 1,511.33 × 653.09
  4. Step 4: Simplify right side
    1,095.03x = 987,023.69
  5. Step 5: Solve for x
    x = 987,023.69/1,095.03
  6. Step 6: Final answer
    x = 901.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.