Home / 3,011.84-4,511.36-2,977.28

Finding the Fourth Proportional to 3,011.84, 4,511.36 and 2,977.28

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Solution

The fourth proportional to 3,011.84, 4,511.36 and 2,977.28 is: 4,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.84 : 4,511.36 = 2,977.28 : x
  2. Step 2: Convert to fraction form
    3,011.84/4,511.36 = 2,977.28/x
  3. Step 3: Cross multiply
    3,011.84x = 4,511.36 × 2,977.28
  4. Step 4: Simplify right side
    3,011.84x = 13,431,581.90
  5. Step 5: Solve for x
    x = 13,431,581.90/3,011.84
  6. Step 6: Final answer
    x = 4,459.59

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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.