Home / 3,152.40-4,728.60-2,045.23

Finding the Fourth Proportional to 3,152.40, 4,728.60 and 2,045.23

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Solution

The fourth proportional to 3,152.40, 4,728.60 and 2,045.23 is: 3,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.40 : 4,728.60 = 2,045.23 : x
  2. Step 2: Convert to fraction form
    3,152.40/4,728.60 = 2,045.23/x
  3. Step 3: Cross multiply
    3,152.40x = 4,728.60 × 2,045.23
  4. Step 4: Simplify right side
    3,152.40x = 9,671,074.58
  5. Step 5: Solve for x
    x = 9,671,074.58/3,152.40
  6. Step 6: Final answer
    x = 3,067.85

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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.