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Finding the Fourth Proportional to 3,044.76, 4,566.60 and 992.76

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Solution

The fourth proportional to 3,044.76, 4,566.60 and 992.76 is: 1,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,044.76 : 4,566.60 = 992.76 : x
  2. Step 2: Convert to fraction form
    3,044.76/4,566.60 = 992.76/x
  3. Step 3: Cross multiply
    3,044.76x = 4,566.60 × 992.76
  4. Step 4: Simplify right side
    3,044.76x = 4,533,537.82
  5. Step 5: Solve for x
    x = 4,533,537.82/3,044.76
  6. Step 6: Final answer
    x = 1,488.96

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1.5x scale

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.