Home / 2,104.40-3,156.14-1,225.04

Finding the Fourth Proportional to 2,104.40, 3,156.14 and 1,225.04

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Solution

The fourth proportional to 2,104.40, 3,156.14 and 1,225.04 is: 1,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.40 : 3,156.14 = 1,225.04 : x
  2. Step 2: Convert to fraction form
    2,104.40/3,156.14 = 1,225.04/x
  3. Step 3: Cross multiply
    2,104.40x = 3,156.14 × 1,225.04
  4. Step 4: Simplify right side
    2,104.40x = 3,866,397.75
  5. Step 5: Solve for x
    x = 3,866,397.75/2,104.40
  6. Step 6: Final answer
    x = 1,837.29

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1.5x scale

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.