Home / 2,972.10-4,459.70-1,511.26

Finding the Fourth Proportional to 2,972.10, 4,459.70 and 1,511.26

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Solution

The fourth proportional to 2,972.10, 4,459.70 and 1,511.26 is: 2,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.10 : 4,459.70 = 1,511.26 : x
  2. Step 2: Convert to fraction form
    2,972.10/4,459.70 = 1,511.26/x
  3. Step 3: Cross multiply
    2,972.10x = 4,459.70 × 1,511.26
  4. Step 4: Simplify right side
    2,972.10x = 6,739,766.22
  5. Step 5: Solve for x
    x = 6,739,766.22/2,972.10
  6. Step 6: Final answer
    x = 2,267.68

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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.