Home / 1,953.30-2,930.44-1,377.30

Finding the Fourth Proportional to 1,953.30, 2,930.44 and 1,377.30

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Solution

The fourth proportional to 1,953.30, 2,930.44 and 1,377.30 is: 2,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.30 : 2,930.44 = 1,377.30 : x
  2. Step 2: Convert to fraction form
    1,953.30/2,930.44 = 1,377.30/x
  3. Step 3: Cross multiply
    1,953.30x = 2,930.44 × 1,377.30
  4. Step 4: Simplify right side
    1,953.30x = 4,036,095.01
  5. Step 5: Solve for x
    x = 4,036,095.01/1,953.30
  6. Step 6: Final answer
    x = 2,066.30

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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.