Home / 2,287.39-3,155.51-1,343.26

Finding the Fourth Proportional to 2,287.39, 3,155.51 and 1,343.26

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Solution

The fourth proportional to 2,287.39, 3,155.51 and 1,343.26 is: 1,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.39 : 3,155.51 = 1,343.26 : x
  2. Step 2: Convert to fraction form
    2,287.39/3,155.51 = 1,343.26/x
  3. Step 3: Cross multiply
    2,287.39x = 3,155.51 × 1,343.26
  4. Step 4: Simplify right side
    2,287.39x = 4,238,661.23
  5. Step 5: Solve for x
    x = 4,238,661.23/2,287.39
  6. Step 6: Final answer
    x = 1,853.06

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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.