Home / 1,486.12-2,227.25-607.60

Finding the Fourth Proportional to 1,486.12, 2,227.25 and 607.60

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Solution

The fourth proportional to 1,486.12, 2,227.25 and 607.60 is: 910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.12 : 2,227.25 = 607.60 : x
  2. Step 2: Convert to fraction form
    1,486.12/2,227.25 = 607.60/x
  3. Step 3: Cross multiply
    1,486.12x = 2,227.25 × 607.60
  4. Step 4: Simplify right side
    1,486.12x = 1,353,277.10
  5. Step 5: Solve for x
    x = 1,353,277.10/1,486.12
  6. Step 6: Final answer
    x = 910.61

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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.