Home / 1,723.40-2,570.68-1,581.88

Finding the Fourth Proportional to 1,723.40, 2,570.68 and 1,581.88

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Solution

The fourth proportional to 1,723.40, 2,570.68 and 1,581.88 is: 2,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.40 : 2,570.68 = 1,581.88 : x
  2. Step 2: Convert to fraction form
    1,723.40/2,570.68 = 1,581.88/x
  3. Step 3: Cross multiply
    1,723.40x = 2,570.68 × 1,581.88
  4. Step 4: Simplify right side
    1,723.40x = 4,066,507.28
  5. Step 5: Solve for x
    x = 4,066,507.28/1,723.40
  6. Step 6: Final answer
    x = 2,359.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.