Home / 3,102.28-4,281.14-1,775.94

Finding the Fourth Proportional to 3,102.28, 4,281.14 and 1,775.94

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Solution

The fourth proportional to 3,102.28, 4,281.14 and 1,775.94 is: 2,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.28 : 4,281.14 = 1,775.94 : x
  2. Step 2: Convert to fraction form
    3,102.28/4,281.14 = 1,775.94/x
  3. Step 3: Cross multiply
    3,102.28x = 4,281.14 × 1,775.94
  4. Step 4: Simplify right side
    3,102.28x = 7,603,047.77
  5. Step 5: Solve for x
    x = 7,603,047.77/3,102.28
  6. Step 6: Final answer
    x = 2,450.79

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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.