Home / 2,805.13-3,871.04-1,626.17

Finding the Fourth Proportional to 2,805.13, 3,871.04 and 1,626.17

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Solution

The fourth proportional to 2,805.13, 3,871.04 and 1,626.17 is: 2,244.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.13 : 3,871.04 = 1,626.17 : x
  2. Step 2: Convert to fraction form
    2,805.13/3,871.04 = 1,626.17/x
  3. Step 3: Cross multiply
    2,805.13x = 3,871.04 × 1,626.17
  4. Step 4: Simplify right side
    2,805.13x = 6,294,969.12
  5. Step 5: Solve for x
    x = 6,294,969.12/2,805.13
  6. Step 6: Final answer
    x = 2,244.09

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1.5x scale

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.