Home / 2,328.08-3,492.69-1,912.31

Finding the Fourth Proportional to 2,328.08, 3,492.69 and 1,912.31

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Solution

The fourth proportional to 2,328.08, 3,492.69 and 1,912.31 is: 2,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.08 : 3,492.69 = 1,912.31 : x
  2. Step 2: Convert to fraction form
    2,328.08/3,492.69 = 1,912.31/x
  3. Step 3: Cross multiply
    2,328.08x = 3,492.69 × 1,912.31
  4. Step 4: Simplify right side
    2,328.08x = 6,679,115.06
  5. Step 5: Solve for x
    x = 6,679,115.06/2,328.08
  6. Step 6: Final answer
    x = 2,868.94

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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.