Home / 1,814.39-2,709.24-1,711.72

Finding the Fourth Proportional to 1,814.39, 2,709.24 and 1,711.72

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Solution

The fourth proportional to 1,814.39, 2,709.24 and 1,711.72 is: 2,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.39 : 2,709.24 = 1,711.72 : x
  2. Step 2: Convert to fraction form
    1,814.39/2,709.24 = 1,711.72/x
  3. Step 3: Cross multiply
    1,814.39x = 2,709.24 × 1,711.72
  4. Step 4: Simplify right side
    1,814.39x = 4,637,460.29
  5. Step 5: Solve for x
    x = 4,637,460.29/1,814.39
  6. Step 6: Final answer
    x = 2,555.93

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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.