Home / 3,045.42-4,203.36-2,520.54

Finding the Fourth Proportional to 3,045.42, 4,203.36 and 2,520.54

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Solution

The fourth proportional to 3,045.42, 4,203.36 and 2,520.54 is: 3,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.42 : 4,203.36 = 2,520.54 : x
  2. Step 2: Convert to fraction form
    3,045.42/4,203.36 = 2,520.54/x
  3. Step 3: Cross multiply
    3,045.42x = 4,203.36 × 2,520.54
  4. Step 4: Simplify right side
    3,045.42x = 10,594,737.01
  5. Step 5: Solve for x
    x = 10,594,737.01/3,045.42
  6. Step 6: Final answer
    x = 3,478.91

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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.