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Finding the Fourth Proportional to 2,307.45, 3,460.75 and 663.64

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Solution

The fourth proportional to 2,307.45, 3,460.75 and 663.64 is: 995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.45 : 3,460.75 = 663.64 : x
  2. Step 2: Convert to fraction form
    2,307.45/3,460.75 = 663.64/x
  3. Step 3: Cross multiply
    2,307.45x = 3,460.75 × 663.64
  4. Step 4: Simplify right side
    2,307.45x = 2,296,692.13
  5. Step 5: Solve for x
    x = 2,296,692.13/2,307.45
  6. Step 6: Final answer
    x = 995.34

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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.