Home / 1,723.13-2,374.50-1,224.90

Finding the Fourth Proportional to 1,723.13, 2,374.50 and 1,224.90

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Solution

The fourth proportional to 1,723.13, 2,374.50 and 1,224.90 is: 1,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.13 : 2,374.50 = 1,224.90 : x
  2. Step 2: Convert to fraction form
    1,723.13/2,374.50 = 1,224.90/x
  3. Step 3: Cross multiply
    1,723.13x = 2,374.50 × 1,224.90
  4. Step 4: Simplify right side
    1,723.13x = 2,908,525.05
  5. Step 5: Solve for x
    x = 2,908,525.05/1,723.13
  6. Step 6: Final answer
    x = 1,687.94

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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.