Home / 1,176.48-1,766.88-1,051.20

Finding the Fourth Proportional to 1,176.48, 1,766.88 and 1,051.20

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Solution

The fourth proportional to 1,176.48, 1,766.88 and 1,051.20 is: 1,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.48 : 1,766.88 = 1,051.20 : x
  2. Step 2: Convert to fraction form
    1,176.48/1,766.88 = 1,051.20/x
  3. Step 3: Cross multiply
    1,176.48x = 1,766.88 × 1,051.20
  4. Step 4: Simplify right side
    1,176.48x = 1,857,344.26
  5. Step 5: Solve for x
    x = 1,857,344.26/1,176.48
  6. Step 6: Final answer
    x = 1,578.73

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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.