Home / 1,284.41-1,926.83-554.01

Finding the Fourth Proportional to 1,284.41, 1,926.83 and 554.01

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Solution

The fourth proportional to 1,284.41, 1,926.83 and 554.01 is: 831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.41 : 1,926.83 = 554.01 : x
  2. Step 2: Convert to fraction form
    1,284.41/1,926.83 = 554.01/x
  3. Step 3: Cross multiply
    1,284.41x = 1,926.83 × 554.01
  4. Step 4: Simplify right side
    1,284.41x = 1,067,484.47
  5. Step 5: Solve for x
    x = 1,067,484.47/1,284.41
  6. Step 6: Final answer
    x = 831.11

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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.