Home / 1,351.31-2,027.04-377.40

Finding the Fourth Proportional to 1,351.31, 2,027.04 and 377.40

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Solution

The fourth proportional to 1,351.31, 2,027.04 and 377.40 is: 566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.31 : 2,027.04 = 377.40 : x
  2. Step 2: Convert to fraction form
    1,351.31/2,027.04 = 377.40/x
  3. Step 3: Cross multiply
    1,351.31x = 2,027.04 × 377.40
  4. Step 4: Simplify right side
    1,351.31x = 765,011.08
  5. Step 5: Solve for x
    x = 765,011.08/1,351.31
  6. Step 6: Final answer
    x = 566.13

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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.