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Finding the Fourth Proportional to 2,846.20, 4,269.30 and 898.42

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Solution

The fourth proportional to 2,846.20, 4,269.30 and 898.42 is: 1,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.20 : 4,269.30 = 898.42 : x
  2. Step 2: Convert to fraction form
    2,846.20/4,269.30 = 898.42/x
  3. Step 3: Cross multiply
    2,846.20x = 4,269.30 × 898.42
  4. Step 4: Simplify right side
    2,846.20x = 3,835,624.51
  5. Step 5: Solve for x
    x = 3,835,624.51/2,846.20
  6. Step 6: Final answer
    x = 1,347.63

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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.