Home / 2,715.32-4,071.11-1,154.96

Finding the Fourth Proportional to 2,715.32, 4,071.11 and 1,154.96

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Solution

The fourth proportional to 2,715.32, 4,071.11 and 1,154.96 is: 1,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.32 : 4,071.11 = 1,154.96 : x
  2. Step 2: Convert to fraction form
    2,715.32/4,071.11 = 1,154.96/x
  3. Step 3: Cross multiply
    2,715.32x = 4,071.11 × 1,154.96
  4. Step 4: Simplify right side
    2,715.32x = 4,701,969.21
  5. Step 5: Solve for x
    x = 4,701,969.21/2,715.32
  6. Step 6: Final answer
    x = 1,731.64

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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.