Home / 2,870.14-4,305.60-1,310.14

Finding the Fourth Proportional to 2,870.14, 4,305.60 and 1,310.14

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Solution

The fourth proportional to 2,870.14, 4,305.60 and 1,310.14 is: 1,965.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.14 : 4,305.60 = 1,310.14 : x
  2. Step 2: Convert to fraction form
    2,870.14/4,305.60 = 1,310.14/x
  3. Step 3: Cross multiply
    2,870.14x = 4,305.60 × 1,310.14
  4. Step 4: Simplify right side
    2,870.14x = 5,640,938.78
  5. Step 5: Solve for x
    x = 5,640,938.78/2,870.14
  6. Step 6: Final answer
    x = 1,965.39

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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.