Home / 3,312.64-4,576.62-2,820.52

Finding the Fourth Proportional to 3,312.64, 4,576.62 and 2,820.52

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Solution

The fourth proportional to 3,312.64, 4,576.62 and 2,820.52 is: 3,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.64 : 4,576.62 = 2,820.52 : x
  2. Step 2: Convert to fraction form
    3,312.64/4,576.62 = 2,820.52/x
  3. Step 3: Cross multiply
    3,312.64x = 4,576.62 × 2,820.52
  4. Step 4: Simplify right side
    3,312.64x = 12,908,448.24
  5. Step 5: Solve for x
    x = 12,908,448.24/3,312.64
  6. Step 6: Final answer
    x = 3,896.73

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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.