Home / 2,511.08-3,465.25-1,392.02

Finding the Fourth Proportional to 2,511.08, 3,465.25 and 1,392.02

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Solution

The fourth proportional to 2,511.08, 3,465.25 and 1,392.02 is: 1,920.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.08 : 3,465.25 = 1,392.02 : x
  2. Step 2: Convert to fraction form
    2,511.08/3,465.25 = 1,392.02/x
  3. Step 3: Cross multiply
    2,511.08x = 3,465.25 × 1,392.02
  4. Step 4: Simplify right side
    2,511.08x = 4,823,676.50
  5. Step 5: Solve for x
    x = 4,823,676.50/2,511.08
  6. Step 6: Final answer
    x = 1,920.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.