Home / 2,858-3,941.34-1,864.04

Finding the Fourth Proportional to 2,858, 3,941.34 and 1,864.04

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Solution

The fourth proportional to 2,858, 3,941.34 and 1,864.04 is: 2,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858 : 3,941.34 = 1,864.04 : x
  2. Step 2: Convert to fraction form
    2,858/3,941.34 = 1,864.04/x
  3. Step 3: Cross multiply
    2,858x = 3,941.34 × 1,864.04
  4. Step 4: Simplify right side
    2,858x = 7,346,815.41
  5. Step 5: Solve for x
    x = 7,346,815.41/2,858
  6. Step 6: Final answer
    x = 2,570.61

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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.