Home / 3,360.16-5,040.64-895.20

Finding the Fourth Proportional to 3,360.16, 5,040.64 and 895.20

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Solution

The fourth proportional to 3,360.16, 5,040.64 and 895.20 is: 1,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.16 : 5,040.64 = 895.20 : x
  2. Step 2: Convert to fraction form
    3,360.16/5,040.64 = 895.20/x
  3. Step 3: Cross multiply
    3,360.16x = 5,040.64 × 895.20
  4. Step 4: Simplify right side
    3,360.16x = 4,512,380.93
  5. Step 5: Solve for x
    x = 4,512,380.93/3,360.16
  6. Step 6: Final answer
    x = 1,342.91

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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.