Home / 1,810.62-2,708.01-1,679.34

Finding the Fourth Proportional to 1,810.62, 2,708.01 and 1,679.34

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Solution

The fourth proportional to 1,810.62, 2,708.01 and 1,679.34 is: 2,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.62 : 2,708.01 = 1,679.34 : x
  2. Step 2: Convert to fraction form
    1,810.62/2,708.01 = 1,679.34/x
  3. Step 3: Cross multiply
    1,810.62x = 2,708.01 × 1,679.34
  4. Step 4: Simplify right side
    1,810.62x = 4,547,669.51
  5. Step 5: Solve for x
    x = 4,547,669.51/1,810.62
  6. Step 6: Final answer
    x = 2,511.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.