Home / 3,411.80-4,708.24-1,899.36

Finding the Fourth Proportional to 3,411.80, 4,708.24 and 1,899.36

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Solution

The fourth proportional to 3,411.80, 4,708.24 and 1,899.36 is: 2,621.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.80 : 4,708.24 = 1,899.36 : x
  2. Step 2: Convert to fraction form
    3,411.80/4,708.24 = 1,899.36/x
  3. Step 3: Cross multiply
    3,411.80x = 4,708.24 × 1,899.36
  4. Step 4: Simplify right side
    3,411.80x = 8,942,642.73
  5. Step 5: Solve for x
    x = 8,942,642.73/3,411.80
  6. Step 6: Final answer
    x = 2,621.09

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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.