Home / 3,204.23-4,421.72-1,878.81

Finding the Fourth Proportional to 3,204.23, 4,421.72 and 1,878.81

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Solution

The fourth proportional to 3,204.23, 4,421.72 and 1,878.81 is: 2,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.23 : 4,421.72 = 1,878.81 : x
  2. Step 2: Convert to fraction form
    3,204.23/4,421.72 = 1,878.81/x
  3. Step 3: Cross multiply
    3,204.23x = 4,421.72 × 1,878.81
  4. Step 4: Simplify right side
    3,204.23x = 8,307,559.87
  5. Step 5: Solve for x
    x = 8,307,559.87/3,204.23
  6. Step 6: Final answer
    x = 2,592.69

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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.