Home / 1,926.18-2,655.36-1,262.79

Finding the Fourth Proportional to 1,926.18, 2,655.36 and 1,262.79

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Solution

The fourth proportional to 1,926.18, 2,655.36 and 1,262.79 is: 1,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.18 : 2,655.36 = 1,262.79 : x
  2. Step 2: Convert to fraction form
    1,926.18/2,655.36 = 1,262.79/x
  3. Step 3: Cross multiply
    1,926.18x = 2,655.36 × 1,262.79
  4. Step 4: Simplify right side
    1,926.18x = 3,353,162.05
  5. Step 5: Solve for x
    x = 3,353,162.05/1,926.18
  6. Step 6: Final answer
    x = 1,740.84

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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.