Home / 3,204.63-4,421.95-1,788.15

Finding the Fourth Proportional to 3,204.63, 4,421.95 and 1,788.15

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Solution

The fourth proportional to 3,204.63, 4,421.95 and 1,788.15 is: 2,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.63 : 4,421.95 = 1,788.15 : x
  2. Step 2: Convert to fraction form
    3,204.63/4,421.95 = 1,788.15/x
  3. Step 3: Cross multiply
    3,204.63x = 4,421.95 × 1,788.15
  4. Step 4: Simplify right side
    3,204.63x = 7,907,109.89
  5. Step 5: Solve for x
    x = 7,907,109.89/3,204.63
  6. Step 6: Final answer
    x = 2,467.40

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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.