Home / 1,573.30-2,171.04-1,131.97

Finding the Fourth Proportional to 1,573.30, 2,171.04 and 1,131.97

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Solution

The fourth proportional to 1,573.30, 2,171.04 and 1,131.97 is: 1,562.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.30 : 2,171.04 = 1,131.97 : x
  2. Step 2: Convert to fraction form
    1,573.30/2,171.04 = 1,131.97/x
  3. Step 3: Cross multiply
    1,573.30x = 2,171.04 × 1,131.97
  4. Step 4: Simplify right side
    1,573.30x = 2,457,552.15
  5. Step 5: Solve for x
    x = 2,457,552.15/1,573.30
  6. Step 6: Final answer
    x = 1,562.04

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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.