Home / 2,942.64-4,416.84-1,404.72

Finding the Fourth Proportional to 2,942.64, 4,416.84 and 1,404.72

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Solution

The fourth proportional to 2,942.64, 4,416.84 and 1,404.72 is: 2,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.64 : 4,416.84 = 1,404.72 : x
  2. Step 2: Convert to fraction form
    2,942.64/4,416.84 = 1,404.72/x
  3. Step 3: Cross multiply
    2,942.64x = 4,416.84 × 1,404.72
  4. Step 4: Simplify right side
    2,942.64x = 6,204,423.48
  5. Step 5: Solve for x
    x = 6,204,423.48/2,942.64
  6. Step 6: Final answer
    x = 2,108.45

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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.