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Finding the Fourth Proportional to 3,284.70, 4,927.05 and 1,556.70

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Solution

The fourth proportional to 3,284.70, 4,927.05 and 1,556.70 is: 2,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.70 : 4,927.05 = 1,556.70 : x
  2. Step 2: Convert to fraction form
    3,284.70/4,927.05 = 1,556.70/x
  3. Step 3: Cross multiply
    3,284.70x = 4,927.05 × 1,556.70
  4. Step 4: Simplify right side
    3,284.70x = 7,669,938.74
  5. Step 5: Solve for x
    x = 7,669,938.74/3,284.70
  6. Step 6: Final answer
    x = 2,335.05

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1.5x scale

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.