Home / 2,125.98-2,933.75-1,181.76

Finding the Fourth Proportional to 2,125.98, 2,933.75 and 1,181.76

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Solution

The fourth proportional to 2,125.98, 2,933.75 and 1,181.76 is: 1,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.98 : 2,933.75 = 1,181.76 : x
  2. Step 2: Convert to fraction form
    2,125.98/2,933.75 = 1,181.76/x
  3. Step 3: Cross multiply
    2,125.98x = 2,933.75 × 1,181.76
  4. Step 4: Simplify right side
    2,125.98x = 3,466,980.35
  5. Step 5: Solve for x
    x = 3,466,980.35/2,125.98
  6. Step 6: Final answer
    x = 1,630.77

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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.