Home / 3,026.09-4,177.50-1,908.75

Finding the Fourth Proportional to 3,026.09, 4,177.50 and 1,908.75

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Solution

The fourth proportional to 3,026.09, 4,177.50 and 1,908.75 is: 2,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.09 : 4,177.50 = 1,908.75 : x
  2. Step 2: Convert to fraction form
    3,026.09/4,177.50 = 1,908.75/x
  3. Step 3: Cross multiply
    3,026.09x = 4,177.50 × 1,908.75
  4. Step 4: Simplify right side
    3,026.09x = 7,973,803.13
  5. Step 5: Solve for x
    x = 7,973,803.13/3,026.09
  6. Step 6: Final answer
    x = 2,635.02

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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.