Home / 1,808.10-2,706.98-1,693.28

Finding the Fourth Proportional to 1,808.10, 2,706.98 and 1,693.28

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Solution

The fourth proportional to 1,808.10, 2,706.98 and 1,693.28 is: 2,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.10 : 2,706.98 = 1,693.28 : x
  2. Step 2: Convert to fraction form
    1,808.10/2,706.98 = 1,693.28/x
  3. Step 3: Cross multiply
    1,808.10x = 2,706.98 × 1,693.28
  4. Step 4: Simplify right side
    1,808.10x = 4,583,675.09
  5. Step 5: Solve for x
    x = 4,583,675.09/1,808.10
  6. Step 6: Final answer
    x = 2,535.08

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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.