Home / 2,904.64-4,358.28-2,658.55

Finding the Fourth Proportional to 2,904.64, 4,358.28 and 2,658.55

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Solution

The fourth proportional to 2,904.64, 4,358.28 and 2,658.55 is: 3,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.64 : 4,358.28 = 2,658.55 : x
  2. Step 2: Convert to fraction form
    2,904.64/4,358.28 = 2,658.55/x
  3. Step 3: Cross multiply
    2,904.64x = 4,358.28 × 2,658.55
  4. Step 4: Simplify right side
    2,904.64x = 11,586,705.29
  5. Step 5: Solve for x
    x = 11,586,705.29/2,904.64
  6. Step 6: Final answer
    x = 3,989.03

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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.