Home / 3,162.84-4,364.58-1,765.56

Finding the Fourth Proportional to 3,162.84, 4,364.58 and 1,765.56

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Solution

The fourth proportional to 3,162.84, 4,364.58 and 1,765.56 is: 2,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.84 : 4,364.58 = 1,765.56 : x
  2. Step 2: Convert to fraction form
    3,162.84/4,364.58 = 1,765.56/x
  3. Step 3: Cross multiply
    3,162.84x = 4,364.58 × 1,765.56
  4. Step 4: Simplify right side
    3,162.84x = 7,705,927.86
  5. Step 5: Solve for x
    x = 7,705,927.86/3,162.84
  6. Step 6: Final answer
    x = 2,436.40

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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.