Home / 3,285.48-4,534.08-1,960.20

Finding the Fourth Proportional to 3,285.48, 4,534.08 and 1,960.20

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Solution

The fourth proportional to 3,285.48, 4,534.08 and 1,960.20 is: 2,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.48 : 4,534.08 = 1,960.20 : x
  2. Step 2: Convert to fraction form
    3,285.48/4,534.08 = 1,960.20/x
  3. Step 3: Cross multiply
    3,285.48x = 4,534.08 × 1,960.20
  4. Step 4: Simplify right side
    3,285.48x = 8,887,703.62
  5. Step 5: Solve for x
    x = 8,887,703.62/3,285.48
  6. Step 6: Final answer
    x = 2,705.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.