Home / 1,902.04-2,627.94-1,512.40

Finding the Fourth Proportional to 1,902.04, 2,627.94 and 1,512.40

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Solution

The fourth proportional to 1,902.04, 2,627.94 and 1,512.40 is: 2,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.04 : 2,627.94 = 1,512.40 : x
  2. Step 2: Convert to fraction form
    1,902.04/2,627.94 = 1,512.40/x
  3. Step 3: Cross multiply
    1,902.04x = 2,627.94 × 1,512.40
  4. Step 4: Simplify right side
    1,902.04x = 3,974,496.46
  5. Step 5: Solve for x
    x = 3,974,496.46/1,902.04
  6. Step 6: Final answer
    x = 2,089.60

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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.