Home / 2,655.48-3,984.30-2,584.92

Finding the Fourth Proportional to 2,655.48, 3,984.30 and 2,584.92

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Solution

The fourth proportional to 2,655.48, 3,984.30 and 2,584.92 is: 3,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.48 : 3,984.30 = 2,584.92 : x
  2. Step 2: Convert to fraction form
    2,655.48/3,984.30 = 2,584.92/x
  3. Step 3: Cross multiply
    2,655.48x = 3,984.30 × 2,584.92
  4. Step 4: Simplify right side
    2,655.48x = 10,299,096.76
  5. Step 5: Solve for x
    x = 10,299,096.76/2,655.48
  6. Step 6: Final answer
    x = 3,878.43

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1.5x scale

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.