Home / 2,158.33-3,237.54-1,422.65

Finding the Fourth Proportional to 2,158.33, 3,237.54 and 1,422.65

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Solution

The fourth proportional to 2,158.33, 3,237.54 and 1,422.65 is: 2,134.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158.33 : 3,237.54 = 1,422.65 : x
  2. Step 2: Convert to fraction form
    2,158.33/3,237.54 = 1,422.65/x
  3. Step 3: Cross multiply
    2,158.33x = 3,237.54 × 1,422.65
  4. Step 4: Simplify right side
    2,158.33x = 4,605,887.49
  5. Step 5: Solve for x
    x = 4,605,887.49/2,158.33
  6. Step 6: Final answer
    x = 2,134.00

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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.