Home / 3,439.24-4,745.46-2,113.16

Finding the Fourth Proportional to 3,439.24, 4,745.46 and 2,113.16

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Solution

The fourth proportional to 3,439.24, 4,745.46 and 2,113.16 is: 2,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.24 : 4,745.46 = 2,113.16 : x
  2. Step 2: Convert to fraction form
    3,439.24/4,745.46 = 2,113.16/x
  3. Step 3: Cross multiply
    3,439.24x = 4,745.46 × 2,113.16
  4. Step 4: Simplify right side
    3,439.24x = 10,027,916.25
  5. Step 5: Solve for x
    x = 10,027,916.25/3,439.24
  6. Step 6: Final answer
    x = 2,915.74

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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.