Home / 2,943.36-4,060-1,896.16

Finding the Fourth Proportional to 2,943.36, 4,060 and 1,896.16

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Solution

The fourth proportional to 2,943.36, 4,060 and 1,896.16 is: 2,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.36 : 4,060 = 1,896.16 : x
  2. Step 2: Convert to fraction form
    2,943.36/4,060 = 1,896.16/x
  3. Step 3: Cross multiply
    2,943.36x = 4,060 × 1,896.16
  4. Step 4: Simplify right side
    2,943.36x = 7,698,409.60
  5. Step 5: Solve for x
    x = 7,698,409.60/2,943.36
  6. Step 6: Final answer
    x = 2,615.52

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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.