Home / 3,529.56-4,869.36-2,113.30

Finding the Fourth Proportional to 3,529.56, 4,869.36 and 2,113.30

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Solution

The fourth proportional to 3,529.56, 4,869.36 and 2,113.30 is: 2,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.56 : 4,869.36 = 2,113.30 : x
  2. Step 2: Convert to fraction form
    3,529.56/4,869.36 = 2,113.30/x
  3. Step 3: Cross multiply
    3,529.56x = 4,869.36 × 2,113.30
  4. Step 4: Simplify right side
    3,529.56x = 10,290,406.31
  5. Step 5: Solve for x
    x = 10,290,406.31/3,529.56
  6. Step 6: Final answer
    x = 2,915.49

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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.