Home / 1,813.39-2,707.75-1,710.72

Finding the Fourth Proportional to 1,813.39, 2,707.75 and 1,710.72

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Solution

The fourth proportional to 1,813.39, 2,707.75 and 1,710.72 is: 2,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.39 : 2,707.75 = 1,710.72 : x
  2. Step 2: Convert to fraction form
    1,813.39/2,707.75 = 1,710.72/x
  3. Step 3: Cross multiply
    1,813.39x = 2,707.75 × 1,710.72
  4. Step 4: Simplify right side
    1,813.39x = 4,632,202.08
  5. Step 5: Solve for x
    x = 4,632,202.08/1,813.39
  6. Step 6: Final answer
    x = 2,554.45

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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.