Home / 1,786.77-2,465.26-1,030.53

Finding the Fourth Proportional to 1,786.77, 2,465.26 and 1,030.53

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Solution

The fourth proportional to 1,786.77, 2,465.26 and 1,030.53 is: 1,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.77 : 2,465.26 = 1,030.53 : x
  2. Step 2: Convert to fraction form
    1,786.77/2,465.26 = 1,030.53/x
  3. Step 3: Cross multiply
    1,786.77x = 2,465.26 × 1,030.53
  4. Step 4: Simplify right side
    1,786.77x = 2,540,524.39
  5. Step 5: Solve for x
    x = 2,540,524.39/1,786.77
  6. Step 6: Final answer
    x = 1,421.85

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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.