Home / 3,722.76-5,135.94-2,603.34

Finding the Fourth Proportional to 3,722.76, 5,135.94 and 2,603.34

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Solution

The fourth proportional to 3,722.76, 5,135.94 and 2,603.34 is: 3,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.76 : 5,135.94 = 2,603.34 : x
  2. Step 2: Convert to fraction form
    3,722.76/5,135.94 = 2,603.34/x
  3. Step 3: Cross multiply
    3,722.76x = 5,135.94 × 2,603.34
  4. Step 4: Simplify right side
    3,722.76x = 13,370,598.04
  5. Step 5: Solve for x
    x = 13,370,598.04/3,722.76
  6. Step 6: Final answer
    x = 3,591.58

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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.