Home / 3,529.46-4,869.36-2,113.19

Finding the Fourth Proportional to 3,529.46, 4,869.36 and 2,113.19

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Solution

The fourth proportional to 3,529.46, 4,869.36 and 2,113.19 is: 2,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.46 : 4,869.36 = 2,113.19 : x
  2. Step 2: Convert to fraction form
    3,529.46/4,869.36 = 2,113.19/x
  3. Step 3: Cross multiply
    3,529.46x = 4,869.36 × 2,113.19
  4. Step 4: Simplify right side
    3,529.46x = 10,289,858.51
  5. Step 5: Solve for x
    x = 10,289,858.51/3,529.46
  6. Step 6: Final answer
    x = 2,915.42

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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.