Home / 2,655.96-3,984.75-1,358.34

Finding the Fourth Proportional to 2,655.96, 3,984.75 and 1,358.34

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Solution

The fourth proportional to 2,655.96, 3,984.75 and 1,358.34 is: 2,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.96 : 3,984.75 = 1,358.34 : x
  2. Step 2: Convert to fraction form
    2,655.96/3,984.75 = 1,358.34/x
  3. Step 3: Cross multiply
    2,655.96x = 3,984.75 × 1,358.34
  4. Step 4: Simplify right side
    2,655.96x = 5,412,645.32
  5. Step 5: Solve for x
    x = 5,412,645.32/2,655.96
  6. Step 6: Final answer
    x = 2,037.92

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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.