Home / 3,159.94-4,740.45-1,079.83

Finding the Fourth Proportional to 3,159.94, 4,740.45 and 1,079.83

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Solution

The fourth proportional to 3,159.94, 4,740.45 and 1,079.83 is: 1,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,159.94 : 4,740.45 = 1,079.83 : x
  2. Step 2: Convert to fraction form
    3,159.94/4,740.45 = 1,079.83/x
  3. Step 3: Cross multiply
    3,159.94x = 4,740.45 × 1,079.83
  4. Step 4: Simplify right side
    3,159.94x = 5,118,880.12
  5. Step 5: Solve for x
    x = 5,118,880.12/3,159.94
  6. Step 6: Final answer
    x = 1,619.93

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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.