Home / 2,823.68-3,895.36-1,776.32

Finding the Fourth Proportional to 2,823.68, 3,895.36 and 1,776.32

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Solution

The fourth proportional to 2,823.68, 3,895.36 and 1,776.32 is: 2,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.68 : 3,895.36 = 1,776.32 : x
  2. Step 2: Convert to fraction form
    2,823.68/3,895.36 = 1,776.32/x
  3. Step 3: Cross multiply
    2,823.68x = 3,895.36 × 1,776.32
  4. Step 4: Simplify right side
    2,823.68x = 6,919,405.88
  5. Step 5: Solve for x
    x = 6,919,405.88/2,823.68
  6. Step 6: Final answer
    x = 2,450.49

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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.