Home / 1,776.86-2,450.47-1,113.78

Finding the Fourth Proportional to 1,776.86, 2,450.47 and 1,113.78

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Solution

The fourth proportional to 1,776.86, 2,450.47 and 1,113.78 is: 1,536.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776.86 : 2,450.47 = 1,113.78 : x
  2. Step 2: Convert to fraction form
    1,776.86/2,450.47 = 1,113.78/x
  3. Step 3: Cross multiply
    1,776.86x = 2,450.47 × 1,113.78
  4. Step 4: Simplify right side
    1,776.86x = 2,729,284.48
  5. Step 5: Solve for x
    x = 2,729,284.48/1,776.86
  6. Step 6: Final answer
    x = 1,536.02

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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.