Home / 2,104.36-2,902.80-1,317.04

Finding the Fourth Proportional to 2,104.36, 2,902.80 and 1,317.04

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Solution

The fourth proportional to 2,104.36, 2,902.80 and 1,317.04 is: 1,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.36 : 2,902.80 = 1,317.04 : x
  2. Step 2: Convert to fraction form
    2,104.36/2,902.80 = 1,317.04/x
  3. Step 3: Cross multiply
    2,104.36x = 2,902.80 × 1,317.04
  4. Step 4: Simplify right side
    2,104.36x = 3,823,103.71
  5. Step 5: Solve for x
    x = 3,823,103.71/2,104.36
  6. Step 6: Final answer
    x = 1,816.75

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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.