Home / 1,935.51-2,673.18-1,308.63

Finding the Fourth Proportional to 1,935.51, 2,673.18 and 1,308.63

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Solution

The fourth proportional to 1,935.51, 2,673.18 and 1,308.63 is: 1,807.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.51 : 2,673.18 = 1,308.63 : x
  2. Step 2: Convert to fraction form
    1,935.51/2,673.18 = 1,308.63/x
  3. Step 3: Cross multiply
    1,935.51x = 2,673.18 × 1,308.63
  4. Step 4: Simplify right side
    1,935.51x = 3,498,203.54
  5. Step 5: Solve for x
    x = 3,498,203.54/1,935.51
  6. Step 6: Final answer
    x = 1,807.38

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Double scale
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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.