Home / 3,384.30-5,071.81-1,904.25

Finding the Fourth Proportional to 3,384.30, 5,071.81 and 1,904.25

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Solution

The fourth proportional to 3,384.30, 5,071.81 and 1,904.25 is: 2,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,384.30 : 5,071.81 = 1,904.25 : x
  2. Step 2: Convert to fraction form
    3,384.30/5,071.81 = 1,904.25/x
  3. Step 3: Cross multiply
    3,384.30x = 5,071.81 × 1,904.25
  4. Step 4: Simplify right side
    3,384.30x = 9,657,994.19
  5. Step 5: Solve for x
    x = 9,657,994.19/3,384.30
  6. Step 6: Final answer
    x = 2,853.76

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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.