Home / 4,123.84-5,690.92-2,260.80

Finding the Fourth Proportional to 4,123.84, 5,690.92 and 2,260.80

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Solution

The fourth proportional to 4,123.84, 5,690.92 and 2,260.80 is: 3,119.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.84 : 5,690.92 = 2,260.80 : x
  2. Step 2: Convert to fraction form
    4,123.84/5,690.92 = 2,260.80/x
  3. Step 3: Cross multiply
    4,123.84x = 5,690.92 × 2,260.80
  4. Step 4: Simplify right side
    4,123.84x = 12,866,031.94
  5. Step 5: Solve for x
    x = 12,866,031.94/4,123.84
  6. Step 6: Final answer
    x = 3,119.92

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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.