Home / 3,077.40-4,611.30-1,614.36

Finding the Fourth Proportional to 3,077.40, 4,611.30 and 1,614.36

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Solution

The fourth proportional to 3,077.40, 4,611.30 and 1,614.36 is: 2,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.40 : 4,611.30 = 1,614.36 : x
  2. Step 2: Convert to fraction form
    3,077.40/4,611.30 = 1,614.36/x
  3. Step 3: Cross multiply
    3,077.40x = 4,611.30 × 1,614.36
  4. Step 4: Simplify right side
    3,077.40x = 7,444,298.27
  5. Step 5: Solve for x
    x = 7,444,298.27/3,077.40
  6. Step 6: Final answer
    x = 2,419.02

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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.