Home / 3,265.65-4,899.69-1,511.51

Finding the Fourth Proportional to 3,265.65, 4,899.69 and 1,511.51

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Solution

The fourth proportional to 3,265.65, 4,899.69 and 1,511.51 is: 2,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.65 : 4,899.69 = 1,511.51 : x
  2. Step 2: Convert to fraction form
    3,265.65/4,899.69 = 1,511.51/x
  3. Step 3: Cross multiply
    3,265.65x = 4,899.69 × 1,511.51
  4. Step 4: Simplify right side
    3,265.65x = 7,405,905.93
  5. Step 5: Solve for x
    x = 7,405,905.93/3,265.65
  6. Step 6: Final answer
    x = 2,267.82

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1.5x scale

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.