Home / 3,458.70-4,761.45-2,992.77

Finding the Fourth Proportional to 3,458.70, 4,761.45 and 2,992.77

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Solution

The fourth proportional to 3,458.70, 4,761.45 and 2,992.77 is: 4,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.70 : 4,761.45 = 2,992.77 : x
  2. Step 2: Convert to fraction form
    3,458.70/4,761.45 = 2,992.77/x
  3. Step 3: Cross multiply
    3,458.70x = 4,761.45 × 2,992.77
  4. Step 4: Simplify right side
    3,458.70x = 14,249,924.72
  5. Step 5: Solve for x
    x = 14,249,924.72/3,458.70
  6. Step 6: Final answer
    x = 4,120.02

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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.