Home / 2,254.19-3,107.07-1,507.88

Finding the Fourth Proportional to 2,254.19, 3,107.07 and 1,507.88

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Solution

The fourth proportional to 2,254.19, 3,107.07 and 1,507.88 is: 2,078.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.19 : 3,107.07 = 1,507.88 : x
  2. Step 2: Convert to fraction form
    2,254.19/3,107.07 = 1,507.88/x
  3. Step 3: Cross multiply
    2,254.19x = 3,107.07 × 1,507.88
  4. Step 4: Simplify right side
    2,254.19x = 4,685,081.17
  5. Step 5: Solve for x
    x = 4,685,081.17/2,254.19
  6. Step 6: Final answer
    x = 2,078.39

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Half scale
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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.