Home / 1,885.08-2,827.58-1,007.88

Finding the Fourth Proportional to 1,885.08, 2,827.58 and 1,007.88

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Solution

The fourth proportional to 1,885.08, 2,827.58 and 1,007.88 is: 1,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.08 : 2,827.58 = 1,007.88 : x
  2. Step 2: Convert to fraction form
    1,885.08/2,827.58 = 1,007.88/x
  3. Step 3: Cross multiply
    1,885.08x = 2,827.58 × 1,007.88
  4. Step 4: Simplify right side
    1,885.08x = 2,849,861.33
  5. Step 5: Solve for x
    x = 2,849,861.33/1,885.08
  6. Step 6: Final answer
    x = 1,511.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.