Home / 2,292.36-3,160.14-1,407.60

Finding the Fourth Proportional to 2,292.36, 3,160.14 and 1,407.60

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Solution

The fourth proportional to 2,292.36, 3,160.14 and 1,407.60 is: 1,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.36 : 3,160.14 = 1,407.60 : x
  2. Step 2: Convert to fraction form
    2,292.36/3,160.14 = 1,407.60/x
  3. Step 3: Cross multiply
    2,292.36x = 3,160.14 × 1,407.60
  4. Step 4: Simplify right side
    2,292.36x = 4,448,213.06
  5. Step 5: Solve for x
    x = 4,448,213.06/2,292.36
  6. Step 6: Final answer
    x = 1,940.45

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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.