Home / 2,331.12-3,491.76-1,809.24

Finding the Fourth Proportional to 2,331.12, 3,491.76 and 1,809.24

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Solution

The fourth proportional to 2,331.12, 3,491.76 and 1,809.24 is: 2,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.12 : 3,491.76 = 1,809.24 : x
  2. Step 2: Convert to fraction form
    2,331.12/3,491.76 = 1,809.24/x
  3. Step 3: Cross multiply
    2,331.12x = 3,491.76 × 1,809.24
  4. Step 4: Simplify right side
    2,331.12x = 6,317,431.86
  5. Step 5: Solve for x
    x = 6,317,431.86/2,331.12
  6. Step 6: Final answer
    x = 2,710.04

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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.