Home / 3,603.46-4,972.32-2,091

Finding the Fourth Proportional to 3,603.46, 4,972.32 and 2,091

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Solution

The fourth proportional to 3,603.46, 4,972.32 and 2,091 is: 2,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.46 : 4,972.32 = 2,091 : x
  2. Step 2: Convert to fraction form
    3,603.46/4,972.32 = 2,091/x
  3. Step 3: Cross multiply
    3,603.46x = 4,972.32 × 2,091
  4. Step 4: Simplify right side
    3,603.46x = 10,397,121.12
  5. Step 5: Solve for x
    x = 10,397,121.12/3,603.46
  6. Step 6: Final answer
    x = 2,885.32

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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.