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Finding the Fourth Proportional to 2,346.48, 3,520.12 and 885.84

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Solution

The fourth proportional to 2,346.48, 3,520.12 and 885.84 is: 1,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.48 : 3,520.12 = 885.84 : x
  2. Step 2: Convert to fraction form
    2,346.48/3,520.12 = 885.84/x
  3. Step 3: Cross multiply
    2,346.48x = 3,520.12 × 885.84
  4. Step 4: Simplify right side
    2,346.48x = 3,118,263.10
  5. Step 5: Solve for x
    x = 3,118,263.10/2,346.48
  6. Step 6: Final answer
    x = 1,328.91

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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.