Home / 3,398.36-4,686.86-2,869.83

Finding the Fourth Proportional to 3,398.36, 4,686.86 and 2,869.83

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Solution

The fourth proportional to 3,398.36, 4,686.86 and 2,869.83 is: 3,957.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.36 : 4,686.86 = 2,869.83 : x
  2. Step 2: Convert to fraction form
    3,398.36/4,686.86 = 2,869.83/x
  3. Step 3: Cross multiply
    3,398.36x = 4,686.86 × 2,869.83
  4. Step 4: Simplify right side
    3,398.36x = 13,450,498.61
  5. Step 5: Solve for x
    x = 13,450,498.61/3,398.36
  6. Step 6: Final answer
    x = 3,957.94

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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.