Home / 2,580.39-3,562.71-1,908.35

Finding the Fourth Proportional to 2,580.39, 3,562.71 and 1,908.35

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Solution

The fourth proportional to 2,580.39, 3,562.71 and 1,908.35 is: 2,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.39 : 3,562.71 = 1,908.35 : x
  2. Step 2: Convert to fraction form
    2,580.39/3,562.71 = 1,908.35/x
  3. Step 3: Cross multiply
    2,580.39x = 3,562.71 × 1,908.35
  4. Step 4: Simplify right side
    2,580.39x = 6,798,897.63
  5. Step 5: Solve for x
    x = 6,798,897.63/2,580.39
  6. Step 6: Final answer
    x = 2,634.83

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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.