Home / 1,901.09-2,625.06-1,310.60

Finding the Fourth Proportional to 1,901.09, 2,625.06 and 1,310.60

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Solution

The fourth proportional to 1,901.09, 2,625.06 and 1,310.60 is: 1,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.09 : 2,625.06 = 1,310.60 : x
  2. Step 2: Convert to fraction form
    1,901.09/2,625.06 = 1,310.60/x
  3. Step 3: Cross multiply
    1,901.09x = 2,625.06 × 1,310.60
  4. Step 4: Simplify right side
    1,901.09x = 3,440,403.64
  5. Step 5: Solve for x
    x = 3,440,403.64/1,901.09
  6. Step 6: Final answer
    x = 1,809.70

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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.