Home / 1,559.41-2,336.89-1,145.30

Finding the Fourth Proportional to 1,559.41, 2,336.89 and 1,145.30

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Solution

The fourth proportional to 1,559.41, 2,336.89 and 1,145.30 is: 1,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.41 : 2,336.89 = 1,145.30 : x
  2. Step 2: Convert to fraction form
    1,559.41/2,336.89 = 1,145.30/x
  3. Step 3: Cross multiply
    1,559.41x = 2,336.89 × 1,145.30
  4. Step 4: Simplify right side
    1,559.41x = 2,676,440.12
  5. Step 5: Solve for x
    x = 2,676,440.12/1,559.41
  6. Step 6: Final answer
    x = 1,716.32

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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.