Home / 2,608.39-3,911.40-1,554.70

Finding the Fourth Proportional to 2,608.39, 3,911.40 and 1,554.70

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Solution

The fourth proportional to 2,608.39, 3,911.40 and 1,554.70 is: 2,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.39 : 3,911.40 = 1,554.70 : x
  2. Step 2: Convert to fraction form
    2,608.39/3,911.40 = 1,554.70/x
  3. Step 3: Cross multiply
    2,608.39x = 3,911.40 × 1,554.70
  4. Step 4: Simplify right side
    2,608.39x = 6,081,034.02
  5. Step 5: Solve for x
    x = 6,081,034.02/2,608.39
  6. Step 6: Final answer
    x = 2,331.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.