Home / 2,615.07-3,608.87-1,553.36

Finding the Fourth Proportional to 2,615.07, 3,608.87 and 1,553.36

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Solution

The fourth proportional to 2,615.07, 3,608.87 and 1,553.36 is: 2,143.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.07 : 3,608.87 = 1,553.36 : x
  2. Step 2: Convert to fraction form
    2,615.07/3,608.87 = 1,553.36/x
  3. Step 3: Cross multiply
    2,615.07x = 3,608.87 × 1,553.36
  4. Step 4: Simplify right side
    2,615.07x = 5,605,848.49
  5. Step 5: Solve for x
    x = 5,605,848.49/2,615.07
  6. Step 6: Final answer
    x = 2,143.67

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1.5x scale

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.