Home / 1,344.15-2,015.91-370.02

Finding the Fourth Proportional to 1,344.15, 2,015.91 and 370.02

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Solution

The fourth proportional to 1,344.15, 2,015.91 and 370.02 is: 554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.15 : 2,015.91 = 370.02 : x
  2. Step 2: Convert to fraction form
    1,344.15/2,015.91 = 370.02/x
  3. Step 3: Cross multiply
    1,344.15x = 2,015.91 × 370.02
  4. Step 4: Simplify right side
    1,344.15x = 745,927.02
  5. Step 5: Solve for x
    x = 745,927.02/1,344.15
  6. Step 6: Final answer
    x = 554.94

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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.