Home / 1,776.08-2,451.84-1,113.28

Finding the Fourth Proportional to 1,776.08, 2,451.84 and 1,113.28

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Solution

The fourth proportional to 1,776.08, 2,451.84 and 1,113.28 is: 1,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.08 : 2,451.84 = 1,113.28 : x
  2. Step 2: Convert to fraction form
    1,776.08/2,451.84 = 1,113.28/x
  3. Step 3: Cross multiply
    1,776.08x = 2,451.84 × 1,113.28
  4. Step 4: Simplify right side
    1,776.08x = 2,729,584.44
  5. Step 5: Solve for x
    x = 2,729,584.44/1,776.08
  6. Step 6: Final answer
    x = 1,536.86

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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.