Home / 2,972.77-4,459.46-1,099.15

Finding the Fourth Proportional to 2,972.77, 4,459.46 and 1,099.15

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Solution

The fourth proportional to 2,972.77, 4,459.46 and 1,099.15 is: 1,648.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.77 : 4,459.46 = 1,099.15 : x
  2. Step 2: Convert to fraction form
    2,972.77/4,459.46 = 1,099.15/x
  3. Step 3: Cross multiply
    2,972.77x = 4,459.46 × 1,099.15
  4. Step 4: Simplify right side
    2,972.77x = 4,901,623.90
  5. Step 5: Solve for x
    x = 4,901,623.90/2,972.77
  6. Step 6: Final answer
    x = 1,648.84

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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.