Home / 2,888.21-4,002.48-2,832.84

Finding the Fourth Proportional to 2,888.21, 4,002.48 and 2,832.84

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Solution

The fourth proportional to 2,888.21, 4,002.48 and 2,832.84 is: 3,925.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.21 : 4,002.48 = 2,832.84 : x
  2. Step 2: Convert to fraction form
    2,888.21/4,002.48 = 2,832.84/x
  3. Step 3: Cross multiply
    2,888.21x = 4,002.48 × 2,832.84
  4. Step 4: Simplify right side
    2,888.21x = 11,338,385.44
  5. Step 5: Solve for x
    x = 11,338,385.44/2,888.21
  6. Step 6: Final answer
    x = 3,925.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.