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Finding the Fourth Proportional to 1,304.48, 1,800.96 and 1,158.68

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Solution

The fourth proportional to 1,304.48, 1,800.96 and 1,158.68 is: 1,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.48 : 1,800.96 = 1,158.68 : x
  2. Step 2: Convert to fraction form
    1,304.48/1,800.96 = 1,158.68/x
  3. Step 3: Cross multiply
    1,304.48x = 1,800.96 × 1,158.68
  4. Step 4: Simplify right side
    1,304.48x = 2,086,736.33
  5. Step 5: Solve for x
    x = 2,086,736.33/1,304.48
  6. Step 6: Final answer
    x = 1,599.67

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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.