Home / 1,563.96-2,157.32-1,004.24

Finding the Fourth Proportional to 1,563.96, 2,157.32 and 1,004.24

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Solution

The fourth proportional to 1,563.96, 2,157.32 and 1,004.24 is: 1,385.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.96 : 2,157.32 = 1,004.24 : x
  2. Step 2: Convert to fraction form
    1,563.96/2,157.32 = 1,004.24/x
  3. Step 3: Cross multiply
    1,563.96x = 2,157.32 × 1,004.24
  4. Step 4: Simplify right side
    1,563.96x = 2,166,467.04
  5. Step 5: Solve for x
    x = 2,166,467.04/1,563.96
  6. Step 6: Final answer
    x = 1,385.24

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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.