Home / 3,178.19-4,384.42-2,059.48

Finding the Fourth Proportional to 3,178.19, 4,384.42 and 2,059.48

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Solution

The fourth proportional to 3,178.19, 4,384.42 and 2,059.48 is: 2,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.19 : 4,384.42 = 2,059.48 : x
  2. Step 2: Convert to fraction form
    3,178.19/4,384.42 = 2,059.48/x
  3. Step 3: Cross multiply
    3,178.19x = 4,384.42 × 2,059.48
  4. Step 4: Simplify right side
    3,178.19x = 9,029,643.76
  5. Step 5: Solve for x
    x = 9,029,643.76/3,178.19
  6. Step 6: Final answer
    x = 2,841.13

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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.