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Finding the Fourth Proportional to 2,308.39, 3,460.65 and 846.70

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Solution

The fourth proportional to 2,308.39, 3,460.65 and 846.70 is: 1,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.39 : 3,460.65 = 846.70 : x
  2. Step 2: Convert to fraction form
    2,308.39/3,460.65 = 846.70/x
  3. Step 3: Cross multiply
    2,308.39x = 3,460.65 × 846.70
  4. Step 4: Simplify right side
    2,308.39x = 2,930,132.36
  5. Step 5: Solve for x
    x = 2,930,132.36/2,308.39
  6. Step 6: Final answer
    x = 1,269.34

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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.