Home / 1,615.35-2,409.38-1,473.87

Finding the Fourth Proportional to 1,615.35, 2,409.38 and 1,473.87

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Solution

The fourth proportional to 1,615.35, 2,409.38 and 1,473.87 is: 2,198.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615.35 : 2,409.38 = 1,473.87 : x
  2. Step 2: Convert to fraction form
    1,615.35/2,409.38 = 1,473.87/x
  3. Step 3: Cross multiply
    1,615.35x = 2,409.38 × 1,473.87
  4. Step 4: Simplify right side
    1,615.35x = 3,551,116.59
  5. Step 5: Solve for x
    x = 3,551,116.59/1,615.35
  6. Step 6: Final answer
    x = 2,198.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.