Home / 3,421.86-4,722.21-2,095.08

Finding the Fourth Proportional to 3,421.86, 4,722.21 and 2,095.08

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Solution

The fourth proportional to 3,421.86, 4,722.21 and 2,095.08 is: 2,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.86 : 4,722.21 = 2,095.08 : x
  2. Step 2: Convert to fraction form
    3,421.86/4,722.21 = 2,095.08/x
  3. Step 3: Cross multiply
    3,421.86x = 4,722.21 × 2,095.08
  4. Step 4: Simplify right side
    3,421.86x = 9,893,407.73
  5. Step 5: Solve for x
    x = 9,893,407.73/3,421.86
  6. Step 6: Final answer
    x = 2,891.24

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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.