Home / 3,439.45-4,745.01-2,557.36

Finding the Fourth Proportional to 3,439.45, 4,745.01 and 2,557.36

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Solution

The fourth proportional to 3,439.45, 4,745.01 and 2,557.36 is: 3,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.45 : 4,745.01 = 2,557.36 : x
  2. Step 2: Convert to fraction form
    3,439.45/4,745.01 = 2,557.36/x
  3. Step 3: Cross multiply
    3,439.45x = 4,745.01 × 2,557.36
  4. Step 4: Simplify right side
    3,439.45x = 12,134,698.77
  5. Step 5: Solve for x
    x = 12,134,698.77/3,439.45
  6. Step 6: Final answer
    x = 3,528.09

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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.