Home / 2,905.74-4,350.62-2,029.12

Finding the Fourth Proportional to 2,905.74, 4,350.62 and 2,029.12

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Solution

The fourth proportional to 2,905.74, 4,350.62 and 2,029.12 is: 3,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.74 : 4,350.62 = 2,029.12 : x
  2. Step 2: Convert to fraction form
    2,905.74/4,350.62 = 2,029.12/x
  3. Step 3: Cross multiply
    2,905.74x = 4,350.62 × 2,029.12
  4. Step 4: Simplify right side
    2,905.74x = 8,827,924.25
  5. Step 5: Solve for x
    x = 8,827,924.25/2,905.74
  6. Step 6: Final answer
    x = 3,038.10

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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.