Home / 2,930.50-4,395.81-1,370.08

Finding the Fourth Proportional to 2,930.50, 4,395.81 and 1,370.08

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Solution

The fourth proportional to 2,930.50, 4,395.81 and 1,370.08 is: 2,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.50 : 4,395.81 = 1,370.08 : x
  2. Step 2: Convert to fraction form
    2,930.50/4,395.81 = 1,370.08/x
  3. Step 3: Cross multiply
    2,930.50x = 4,395.81 × 1,370.08
  4. Step 4: Simplify right side
    2,930.50x = 6,022,611.36
  5. Step 5: Solve for x
    x = 6,022,611.36/2,930.50
  6. Step 6: Final answer
    x = 2,055.15

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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.