Home / 1,703.32-2,349.36-1,563.88

Finding the Fourth Proportional to 1,703.32, 2,349.36 and 1,563.88

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Solution

The fourth proportional to 1,703.32, 2,349.36 and 1,563.88 is: 2,157.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.32 : 2,349.36 = 1,563.88 : x
  2. Step 2: Convert to fraction form
    1,703.32/2,349.36 = 1,563.88/x
  3. Step 3: Cross multiply
    1,703.32x = 2,349.36 × 1,563.88
  4. Step 4: Simplify right side
    1,703.32x = 3,674,117.12
  5. Step 5: Solve for x
    x = 3,674,117.12/1,703.32
  6. Step 6: Final answer
    x = 2,157.03

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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.