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Finding the Fourth Proportional to 2,346.63, 3,519.56 and 885.44

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Solution

The fourth proportional to 2,346.63, 3,519.56 and 885.44 is: 1,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.63 : 3,519.56 = 885.44 : x
  2. Step 2: Convert to fraction form
    2,346.63/3,519.56 = 885.44/x
  3. Step 3: Cross multiply
    2,346.63x = 3,519.56 × 885.44
  4. Step 4: Simplify right side
    2,346.63x = 3,116,337.18
  5. Step 5: Solve for x
    x = 3,116,337.18/2,346.63
  6. Step 6: Final answer
    x = 1,328.01

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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.