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Finding the Fourth Proportional to 2,999.40, 4,498.09 and 1,051.14

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Solution

The fourth proportional to 2,999.40, 4,498.09 and 1,051.14 is: 1,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.40 : 4,498.09 = 1,051.14 : x
  2. Step 2: Convert to fraction form
    2,999.40/4,498.09 = 1,051.14/x
  3. Step 3: Cross multiply
    2,999.40x = 4,498.09 × 1,051.14
  4. Step 4: Simplify right side
    2,999.40x = 4,728,122.32
  5. Step 5: Solve for x
    x = 4,728,122.32/2,999.40
  6. Step 6: Final answer
    x = 1,576.36

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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.