Home / 1,338.29-1,846.08-944.63

Finding the Fourth Proportional to 1,338.29, 1,846.08 and 944.63

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Solution

The fourth proportional to 1,338.29, 1,846.08 and 944.63 is: 1,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338.29 : 1,846.08 = 944.63 : x
  2. Step 2: Convert to fraction form
    1,338.29/1,846.08 = 944.63/x
  3. Step 3: Cross multiply
    1,338.29x = 1,846.08 × 944.63
  4. Step 4: Simplify right side
    1,338.29x = 1,743,862.55
  5. Step 5: Solve for x
    x = 1,743,862.55/1,338.29
  6. Step 6: Final answer
    x = 1,303.05

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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.