Home / 2,346.72-3,520.08-1,321.44

Finding the Fourth Proportional to 2,346.72, 3,520.08 and 1,321.44

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Solution

The fourth proportional to 2,346.72, 3,520.08 and 1,321.44 is: 1,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.72 : 3,520.08 = 1,321.44 : x
  2. Step 2: Convert to fraction form
    2,346.72/3,520.08 = 1,321.44/x
  3. Step 3: Cross multiply
    2,346.72x = 3,520.08 × 1,321.44
  4. Step 4: Simplify right side
    2,346.72x = 4,651,574.52
  5. Step 5: Solve for x
    x = 4,651,574.52/2,346.72
  6. Step 6: Final answer
    x = 1,982.16

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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.