Home / 2,331.91-3,492.60-1,809.06

Finding the Fourth Proportional to 2,331.91, 3,492.60 and 1,809.06

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Solution

The fourth proportional to 2,331.91, 3,492.60 and 1,809.06 is: 2,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.91 : 3,492.60 = 1,809.06 : x
  2. Step 2: Convert to fraction form
    2,331.91/3,492.60 = 1,809.06/x
  3. Step 3: Cross multiply
    2,331.91x = 3,492.60 × 1,809.06
  4. Step 4: Simplify right side
    2,331.91x = 6,318,322.96
  5. Step 5: Solve for x
    x = 6,318,322.96/2,331.91
  6. Step 6: Final answer
    x = 2,709.51

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1.5x scale

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.