Home / 1,926.18-2,657.61-1,366.74

Finding the Fourth Proportional to 1,926.18, 2,657.61 and 1,366.74

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Solution

The fourth proportional to 1,926.18, 2,657.61 and 1,366.74 is: 1,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.18 : 2,657.61 = 1,366.74 : x
  2. Step 2: Convert to fraction form
    1,926.18/2,657.61 = 1,366.74/x
  3. Step 3: Cross multiply
    1,926.18x = 2,657.61 × 1,366.74
  4. Step 4: Simplify right side
    1,926.18x = 3,632,261.89
  5. Step 5: Solve for x
    x = 3,632,261.89/1,926.18
  6. Step 6: Final answer
    x = 1,885.73

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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.