Home / 2,260.49-3,119.76-1,316.29

Finding the Fourth Proportional to 2,260.49, 3,119.76 and 1,316.29

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Solution

The fourth proportional to 2,260.49, 3,119.76 and 1,316.29 is: 1,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.49 : 3,119.76 = 1,316.29 : x
  2. Step 2: Convert to fraction form
    2,260.49/3,119.76 = 1,316.29/x
  3. Step 3: Cross multiply
    2,260.49x = 3,119.76 × 1,316.29
  4. Step 4: Simplify right side
    2,260.49x = 4,106,517.73
  5. Step 5: Solve for x
    x = 4,106,517.73/2,260.49
  6. Step 6: Final answer
    x = 1,816.65

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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.