Home / 1,284.18-1,927.08-737.44

Finding the Fourth Proportional to 1,284.18, 1,927.08 and 737.44

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Solution

The fourth proportional to 1,284.18, 1,927.08 and 737.44 is: 1,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.18 : 1,927.08 = 737.44 : x
  2. Step 2: Convert to fraction form
    1,284.18/1,927.08 = 737.44/x
  3. Step 3: Cross multiply
    1,284.18x = 1,927.08 × 737.44
  4. Step 4: Simplify right side
    1,284.18x = 1,421,105.88
  5. Step 5: Solve for x
    x = 1,421,105.88/1,284.18
  6. Step 6: Final answer
    x = 1,106.63

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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.