Home / 2,328.18-3,492.64-767.72

Finding the Fourth Proportional to 2,328.18, 3,492.64 and 767.72

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Solution

The fourth proportional to 2,328.18, 3,492.64 and 767.72 is: 1,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.18 : 3,492.64 = 767.72 : x
  2. Step 2: Convert to fraction form
    2,328.18/3,492.64 = 767.72/x
  3. Step 3: Cross multiply
    2,328.18x = 3,492.64 × 767.72
  4. Step 4: Simplify right side
    2,328.18x = 2,681,369.58
  5. Step 5: Solve for x
    x = 2,681,369.58/2,328.18
  6. Step 6: Final answer
    x = 1,151.70

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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.