Home / 1,284.73-1,926.13-1,154.35

Finding the Fourth Proportional to 1,284.73, 1,926.13 and 1,154.35

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Solution

The fourth proportional to 1,284.73, 1,926.13 and 1,154.35 is: 1,730.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.73 : 1,926.13 = 1,154.35 : x
  2. Step 2: Convert to fraction form
    1,284.73/1,926.13 = 1,154.35/x
  3. Step 3: Cross multiply
    1,284.73x = 1,926.13 × 1,154.35
  4. Step 4: Simplify right side
    1,284.73x = 2,223,429.85
  5. Step 5: Solve for x
    x = 2,223,429.85/1,284.73
  6. Step 6: Final answer
    x = 1,730.66

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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.