Home / 1,476.68-2,039.13-1,406.66

Finding the Fourth Proportional to 1,476.68, 2,039.13 and 1,406.66

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Solution

The fourth proportional to 1,476.68, 2,039.13 and 1,406.66 is: 1,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.68 : 2,039.13 = 1,406.66 : x
  2. Step 2: Convert to fraction form
    1,476.68/2,039.13 = 1,406.66/x
  3. Step 3: Cross multiply
    1,476.68x = 2,039.13 × 1,406.66
  4. Step 4: Simplify right side
    1,476.68x = 2,868,352.41
  5. Step 5: Solve for x
    x = 2,868,352.41/1,476.68
  6. Step 6: Final answer
    x = 1,942.44

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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.