Home / 2,513.08-3,769.74-1,215.64

Finding the Fourth Proportional to 2,513.08, 3,769.74 and 1,215.64

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Solution

The fourth proportional to 2,513.08, 3,769.74 and 1,215.64 is: 1,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.08 : 3,769.74 = 1,215.64 : x
  2. Step 2: Convert to fraction form
    2,513.08/3,769.74 = 1,215.64/x
  3. Step 3: Cross multiply
    2,513.08x = 3,769.74 × 1,215.64
  4. Step 4: Simplify right side
    2,513.08x = 4,582,646.73
  5. Step 5: Solve for x
    x = 4,582,646.73/2,513.08
  6. Step 6: Final answer
    x = 1,823.52

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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.