Home / 1,476.26-2,214.92-1,389.32

Finding the Fourth Proportional to 1,476.26, 2,214.92 and 1,389.32

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Solution

The fourth proportional to 1,476.26, 2,214.92 and 1,389.32 is: 2,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.26 : 2,214.92 = 1,389.32 : x
  2. Step 2: Convert to fraction form
    1,476.26/2,214.92 = 1,389.32/x
  3. Step 3: Cross multiply
    1,476.26x = 2,214.92 × 1,389.32
  4. Step 4: Simplify right side
    1,476.26x = 3,077,221.58
  5. Step 5: Solve for x
    x = 3,077,221.58/1,476.26
  6. Step 6: Final answer
    x = 2,084.48

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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.