Home / 1,630.11-2,443.97-1,045.77

Finding the Fourth Proportional to 1,630.11, 2,443.97 and 1,045.77

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Solution

The fourth proportional to 1,630.11, 2,443.97 and 1,045.77 is: 1,567.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.11 : 2,443.97 = 1,045.77 : x
  2. Step 2: Convert to fraction form
    1,630.11/2,443.97 = 1,045.77/x
  3. Step 3: Cross multiply
    1,630.11x = 2,443.97 × 1,045.77
  4. Step 4: Simplify right side
    1,630.11x = 2,555,841.14
  5. Step 5: Solve for x
    x = 2,555,841.14/1,630.11
  6. Step 6: Final answer
    x = 1,567.89

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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.