Home / 1,343.07-2,014.64-477.38

Finding the Fourth Proportional to 1,343.07, 2,014.64 and 477.38

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Solution

The fourth proportional to 1,343.07, 2,014.64 and 477.38 is: 716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.07 : 2,014.64 = 477.38 : x
  2. Step 2: Convert to fraction form
    1,343.07/2,014.64 = 477.38/x
  3. Step 3: Cross multiply
    1,343.07x = 2,014.64 × 477.38
  4. Step 4: Simplify right side
    1,343.07x = 961,736.38
  5. Step 5: Solve for x
    x = 961,736.38/1,343.07
  6. Step 6: Final answer
    x = 716.07

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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.