Home / 3,429.36-4,731.73-2,012.98

Finding the Fourth Proportional to 3,429.36, 4,731.73 and 2,012.98

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Solution

The fourth proportional to 3,429.36, 4,731.73 and 2,012.98 is: 2,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.36 : 4,731.73 = 2,012.98 : x
  2. Step 2: Convert to fraction form
    3,429.36/4,731.73 = 2,012.98/x
  3. Step 3: Cross multiply
    3,429.36x = 4,731.73 × 2,012.98
  4. Step 4: Simplify right side
    3,429.36x = 9,524,877.86
  5. Step 5: Solve for x
    x = 9,524,877.86/3,429.36
  6. Step 6: Final answer
    x = 2,777.45

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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.