Home / 2,274.86-3,125.70-1,808.30

Finding the Fourth Proportional to 2,274.86, 3,125.70 and 1,808.30

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Solution

The fourth proportional to 2,274.86, 3,125.70 and 1,808.30 is: 2,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.86 : 3,125.70 = 1,808.30 : x
  2. Step 2: Convert to fraction form
    2,274.86/3,125.70 = 1,808.30/x
  3. Step 3: Cross multiply
    2,274.86x = 3,125.70 × 1,808.30
  4. Step 4: Simplify right side
    2,274.86x = 5,652,203.31
  5. Step 5: Solve for x
    x = 5,652,203.31/2,274.86
  6. Step 6: Final answer
    x = 2,484.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.