Home / 3,320.70-4,974.56-2,586.84

Finding the Fourth Proportional to 3,320.70, 4,974.56 and 2,586.84

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Solution

The fourth proportional to 3,320.70, 4,974.56 and 2,586.84 is: 3,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.70 : 4,974.56 = 2,586.84 : x
  2. Step 2: Convert to fraction form
    3,320.70/4,974.56 = 2,586.84/x
  3. Step 3: Cross multiply
    3,320.70x = 4,974.56 × 2,586.84
  4. Step 4: Simplify right side
    3,320.70x = 12,868,352.98
  5. Step 5: Solve for x
    x = 12,868,352.98/3,320.70
  6. Step 6: Final answer
    x = 3,875.20

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1.5x scale

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.