Home / 1,896.02-2,615.25-1,186.63

Finding the Fourth Proportional to 1,896.02, 2,615.25 and 1,186.63

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Solution

The fourth proportional to 1,896.02, 2,615.25 and 1,186.63 is: 1,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.02 : 2,615.25 = 1,186.63 : x
  2. Step 2: Convert to fraction form
    1,896.02/2,615.25 = 1,186.63/x
  3. Step 3: Cross multiply
    1,896.02x = 2,615.25 × 1,186.63
  4. Step 4: Simplify right side
    1,896.02x = 3,103,334.11
  5. Step 5: Solve for x
    x = 3,103,334.11/1,896.02
  6. Step 6: Final answer
    x = 1,636.76

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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.