Home / 2,753.89-4,123.79-1,519.93

Finding the Fourth Proportional to 2,753.89, 4,123.79 and 1,519.93

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Solution

The fourth proportional to 2,753.89, 4,123.79 and 1,519.93 is: 2,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.89 : 4,123.79 = 1,519.93 : x
  2. Step 2: Convert to fraction form
    2,753.89/4,123.79 = 1,519.93/x
  3. Step 3: Cross multiply
    2,753.89x = 4,123.79 × 1,519.93
  4. Step 4: Simplify right side
    2,753.89x = 6,267,875.93
  5. Step 5: Solve for x
    x = 6,267,875.93/2,753.89
  6. Step 6: Final answer
    x = 2,276.01

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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.