Home / 3,439.02-4,745.81-1,946.91

Finding the Fourth Proportional to 3,439.02, 4,745.81 and 1,946.91

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Solution

The fourth proportional to 3,439.02, 4,745.81 and 1,946.91 is: 2,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.02 : 4,745.81 = 1,946.91 : x
  2. Step 2: Convert to fraction form
    3,439.02/4,745.81 = 1,946.91/x
  3. Step 3: Cross multiply
    3,439.02x = 4,745.81 × 1,946.91
  4. Step 4: Simplify right side
    3,439.02x = 9,239,664.95
  5. Step 5: Solve for x
    x = 9,239,664.95/3,439.02
  6. Step 6: Final answer
    x = 2,686.71

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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.