Home / 1,245.08-1,716.92-1,068.68

Finding the Fourth Proportional to 1,245.08, 1,716.92 and 1,068.68

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Solution

The fourth proportional to 1,245.08, 1,716.92 and 1,068.68 is: 1,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245.08 : 1,716.92 = 1,068.68 : x
  2. Step 2: Convert to fraction form
    1,245.08/1,716.92 = 1,068.68/x
  3. Step 3: Cross multiply
    1,245.08x = 1,716.92 × 1,068.68
  4. Step 4: Simplify right side
    1,245.08x = 1,834,838.07
  5. Step 5: Solve for x
    x = 1,834,838.07/1,245.08
  6. Step 6: Final answer
    x = 1,473.67

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1.5x scale

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.