Home / 2,841.53-3,921.39-1,722.24

Finding the Fourth Proportional to 2,841.53, 3,921.39 and 1,722.24

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Solution

The fourth proportional to 2,841.53, 3,921.39 and 1,722.24 is: 2,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.53 : 3,921.39 = 1,722.24 : x
  2. Step 2: Convert to fraction form
    2,841.53/3,921.39 = 1,722.24/x
  3. Step 3: Cross multiply
    2,841.53x = 3,921.39 × 1,722.24
  4. Step 4: Simplify right side
    2,841.53x = 6,753,574.71
  5. Step 5: Solve for x
    x = 6,753,574.71/2,841.53
  6. Step 6: Final answer
    x = 2,376.74

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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.