Home / 2,260.51-3,119.79-1,376.26

Finding the Fourth Proportional to 2,260.51, 3,119.79 and 1,376.26

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Solution

The fourth proportional to 2,260.51, 3,119.79 and 1,376.26 is: 1,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.51 : 3,119.79 = 1,376.26 : x
  2. Step 2: Convert to fraction form
    2,260.51/3,119.79 = 1,376.26/x
  3. Step 3: Cross multiply
    2,260.51x = 3,119.79 × 1,376.26
  4. Step 4: Simplify right side
    2,260.51x = 4,293,642.19
  5. Step 5: Solve for x
    x = 4,293,642.19/2,260.51
  6. Step 6: Final answer
    x = 1,899.41

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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.