Home / 3,305.12-4,957.80-1,113.92

Finding the Fourth Proportional to 3,305.12, 4,957.80 and 1,113.92

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Solution

The fourth proportional to 3,305.12, 4,957.80 and 1,113.92 is: 1,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.12 : 4,957.80 = 1,113.92 : x
  2. Step 2: Convert to fraction form
    3,305.12/4,957.80 = 1,113.92/x
  3. Step 3: Cross multiply
    3,305.12x = 4,957.80 × 1,113.92
  4. Step 4: Simplify right side
    3,305.12x = 5,522,592.58
  5. Step 5: Solve for x
    x = 5,522,592.58/3,305.12
  6. Step 6: Final answer
    x = 1,670.92

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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.