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Finding the Fourth Proportional to 1,704.76, 2,354.88 and 1,336.39

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Solution

The fourth proportional to 1,704.76, 2,354.88 and 1,336.39 is: 1,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.76 : 2,354.88 = 1,336.39 : x
  2. Step 2: Convert to fraction form
    1,704.76/2,354.88 = 1,336.39/x
  3. Step 3: Cross multiply
    1,704.76x = 2,354.88 × 1,336.39
  4. Step 4: Simplify right side
    1,704.76x = 3,147,038.08
  5. Step 5: Solve for x
    x = 3,147,038.08/1,704.76
  6. Step 6: Final answer
    x = 1,846.03

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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.