Home / 2,790.24-3,848.64-2,604.48

Finding the Fourth Proportional to 2,790.24, 3,848.64 and 2,604.48

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Solution

The fourth proportional to 2,790.24, 3,848.64 and 2,604.48 is: 3,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.24 : 3,848.64 = 2,604.48 : x
  2. Step 2: Convert to fraction form
    2,790.24/3,848.64 = 2,604.48/x
  3. Step 3: Cross multiply
    2,790.24x = 3,848.64 × 2,604.48
  4. Step 4: Simplify right side
    2,790.24x = 10,023,705.91
  5. Step 5: Solve for x
    x = 10,023,705.91/2,790.24
  6. Step 6: Final answer
    x = 3,592.42

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1.5x scale

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.