Home / 1,940.09-2,914.13-1,570.32

Finding the Fourth Proportional to 1,940.09, 2,914.13 and 1,570.32

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Solution

The fourth proportional to 1,940.09, 2,914.13 and 1,570.32 is: 2,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.09 : 2,914.13 = 1,570.32 : x
  2. Step 2: Convert to fraction form
    1,940.09/2,914.13 = 1,570.32/x
  3. Step 3: Cross multiply
    1,940.09x = 2,914.13 × 1,570.32
  4. Step 4: Simplify right side
    1,940.09x = 4,576,120.55
  5. Step 5: Solve for x
    x = 4,576,120.55/1,940.09
  6. Step 6: Final answer
    x = 2,358.72

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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.