Home / 2,971.52-4,461.36-1,511.68

Finding the Fourth Proportional to 2,971.52, 4,461.36 and 1,511.68

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Solution

The fourth proportional to 2,971.52, 4,461.36 and 1,511.68 is: 2,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.52 : 4,461.36 = 1,511.68 : x
  2. Step 2: Convert to fraction form
    2,971.52/4,461.36 = 1,511.68/x
  3. Step 3: Cross multiply
    2,971.52x = 4,461.36 × 1,511.68
  4. Step 4: Simplify right side
    2,971.52x = 6,744,148.68
  5. Step 5: Solve for x
    x = 6,744,148.68/2,971.52
  6. Step 6: Final answer
    x = 2,269.60

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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.