Home / 3,603.24-5,402.79-1,409.46

Finding the Fourth Proportional to 3,603.24, 5,402.79 and 1,409.46

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Solution

The fourth proportional to 3,603.24, 5,402.79 and 1,409.46 is: 2,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.24 : 5,402.79 = 1,409.46 : x
  2. Step 2: Convert to fraction form
    3,603.24/5,402.79 = 1,409.46/x
  3. Step 3: Cross multiply
    3,603.24x = 5,402.79 × 1,409.46
  4. Step 4: Simplify right side
    3,603.24x = 7,615,016.39
  5. Step 5: Solve for x
    x = 7,615,016.39/3,603.24
  6. Step 6: Final answer
    x = 2,113.38

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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.