Home / 1,723.41-2,572.61-1,515.84

Finding the Fourth Proportional to 1,723.41, 2,572.61 and 1,515.84

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Solution

The fourth proportional to 1,723.41, 2,572.61 and 1,515.84 is: 2,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.41 : 2,572.61 = 1,515.84 : x
  2. Step 2: Convert to fraction form
    1,723.41/2,572.61 = 1,515.84/x
  3. Step 3: Cross multiply
    1,723.41x = 2,572.61 × 1,515.84
  4. Step 4: Simplify right side
    1,723.41x = 3,899,657.56
  5. Step 5: Solve for x
    x = 3,899,657.56/1,723.41
  6. Step 6: Final answer
    x = 2,262.76

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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.