Home / 1,926.34-2,657.68-1,263.58

Finding the Fourth Proportional to 1,926.34, 2,657.68 and 1,263.58

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Solution

The fourth proportional to 1,926.34, 2,657.68 and 1,263.58 is: 1,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.34 : 2,657.68 = 1,263.58 : x
  2. Step 2: Convert to fraction form
    1,926.34/2,657.68 = 1,263.58/x
  3. Step 3: Cross multiply
    1,926.34x = 2,657.68 × 1,263.58
  4. Step 4: Simplify right side
    1,926.34x = 3,358,191.29
  5. Step 5: Solve for x
    x = 3,358,191.29/1,926.34
  6. Step 6: Final answer
    x = 1,743.30

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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.