Home / 1,335.28-2,001.36-895.60

Finding the Fourth Proportional to 1,335.28, 2,001.36 and 895.60

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Solution

The fourth proportional to 1,335.28, 2,001.36 and 895.60 is: 1,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.28 : 2,001.36 = 895.60 : x
  2. Step 2: Convert to fraction form
    1,335.28/2,001.36 = 895.60/x
  3. Step 3: Cross multiply
    1,335.28x = 2,001.36 × 895.60
  4. Step 4: Simplify right side
    1,335.28x = 1,792,418.02
  5. Step 5: Solve for x
    x = 1,792,418.02/1,335.28
  6. Step 6: Final answer
    x = 1,342.35

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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.