Home / 2,688.10-3,709.39-1,492.99

Finding the Fourth Proportional to 2,688.10, 3,709.39 and 1,492.99

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Solution

The fourth proportional to 2,688.10, 3,709.39 and 1,492.99 is: 2,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.10 : 3,709.39 = 1,492.99 : x
  2. Step 2: Convert to fraction form
    2,688.10/3,709.39 = 1,492.99/x
  3. Step 3: Cross multiply
    2,688.10x = 3,709.39 × 1,492.99
  4. Step 4: Simplify right side
    2,688.10x = 5,538,082.18
  5. Step 5: Solve for x
    x = 5,538,082.18/2,688.10
  6. Step 6: Final answer
    x = 2,060.22

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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.