Home / 2,409.21-3,324.15-1,813.16

Finding the Fourth Proportional to 2,409.21, 3,324.15 and 1,813.16

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Solution

The fourth proportional to 2,409.21, 3,324.15 and 1,813.16 is: 2,501.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.21 : 3,324.15 = 1,813.16 : x
  2. Step 2: Convert to fraction form
    2,409.21/3,324.15 = 1,813.16/x
  3. Step 3: Cross multiply
    2,409.21x = 3,324.15 × 1,813.16
  4. Step 4: Simplify right side
    2,409.21x = 6,027,224.12
  5. Step 5: Solve for x
    x = 6,027,224.12/2,409.21
  6. Step 6: Final answer
    x = 2,501.74

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Double scale
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1.5x scale

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.