Home / 2,400.39-3,313.16-1,563.18

Finding the Fourth Proportional to 2,400.39, 3,313.16 and 1,563.18

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Solution

The fourth proportional to 2,400.39, 3,313.16 and 1,563.18 is: 2,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.39 : 3,313.16 = 1,563.18 : x
  2. Step 2: Convert to fraction form
    2,400.39/3,313.16 = 1,563.18/x
  3. Step 3: Cross multiply
    2,400.39x = 3,313.16 × 1,563.18
  4. Step 4: Simplify right side
    2,400.39x = 5,179,057.63
  5. Step 5: Solve for x
    x = 5,179,057.63/2,400.39
  6. Step 6: Final answer
    x = 2,157.59

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Half 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.