Home / 1,723.10-2,376.80-1,434.91

Finding the Fourth Proportional to 1,723.10, 2,376.80 and 1,434.91

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Solution

The fourth proportional to 1,723.10, 2,376.80 and 1,434.91 is: 1,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.10 : 2,376.80 = 1,434.91 : x
  2. Step 2: Convert to fraction form
    1,723.10/2,376.80 = 1,434.91/x
  3. Step 3: Cross multiply
    1,723.10x = 2,376.80 × 1,434.91
  4. Step 4: Simplify right side
    1,723.10x = 3,410,475.03
  5. Step 5: Solve for x
    x = 3,410,475.03/1,723.10
  6. Step 6: Final answer
    x = 1,979.27

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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.