Home / 3,281.86-4,528.58-1,865.04

Finding the Fourth Proportional to 3,281.86, 4,528.58 and 1,865.04

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Solution

The fourth proportional to 3,281.86, 4,528.58 and 1,865.04 is: 2,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.86 : 4,528.58 = 1,865.04 : x
  2. Step 2: Convert to fraction form
    3,281.86/4,528.58 = 1,865.04/x
  3. Step 3: Cross multiply
    3,281.86x = 4,528.58 × 1,865.04
  4. Step 4: Simplify right side
    3,281.86x = 8,445,982.84
  5. Step 5: Solve for x
    x = 8,445,982.84/3,281.86
  6. Step 6: Final answer
    x = 2,573.54

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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.