Home / 3,187.84-4,402.56-2,604.64

Finding the Fourth Proportional to 3,187.84, 4,402.56 and 2,604.64

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Solution

The fourth proportional to 3,187.84, 4,402.56 and 2,604.64 is: 3,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.84 : 4,402.56 = 2,604.64 : x
  2. Step 2: Convert to fraction form
    3,187.84/4,402.56 = 2,604.64/x
  3. Step 3: Cross multiply
    3,187.84x = 4,402.56 × 2,604.64
  4. Step 4: Simplify right side
    3,187.84x = 11,467,083.88
  5. Step 5: Solve for x
    x = 11,467,083.88/3,187.84
  6. Step 6: Final answer
    x = 3,597.13

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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.