Home / 2,789.57-4,184.76-841.93

Finding the Fourth Proportional to 2,789.57, 4,184.76 and 841.93

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Solution

The fourth proportional to 2,789.57, 4,184.76 and 841.93 is: 1,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.57 : 4,184.76 = 841.93 : x
  2. Step 2: Convert to fraction form
    2,789.57/4,184.76 = 841.93/x
  3. Step 3: Cross multiply
    2,789.57x = 4,184.76 × 841.93
  4. Step 4: Simplify right side
    2,789.57x = 3,523,267.68
  5. Step 5: Solve for x
    x = 3,523,267.68/2,789.57
  6. Step 6: Final answer
    x = 1,263.01

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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.