Home / 2,270.07-3,132.72-1,373.79

Finding the Fourth Proportional to 2,270.07, 3,132.72 and 1,373.79

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Solution

The fourth proportional to 2,270.07, 3,132.72 and 1,373.79 is: 1,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,270.07 : 3,132.72 = 1,373.79 : x
  2. Step 2: Convert to fraction form
    2,270.07/3,132.72 = 1,373.79/x
  3. Step 3: Cross multiply
    2,270.07x = 3,132.72 × 1,373.79
  4. Step 4: Simplify right side
    2,270.07x = 4,303,715.67
  5. Step 5: Solve for x
    x = 4,303,715.67/2,270.07
  6. Step 6: Final answer
    x = 1,895.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.