Home / 3,176.72-4,772.40-3,045.50

Finding the Fourth Proportional to 3,176.72, 4,772.40 and 3,045.50

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Solution

The fourth proportional to 3,176.72, 4,772.40 and 3,045.50 is: 4,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.72 : 4,772.40 = 3,045.50 : x
  2. Step 2: Convert to fraction form
    3,176.72/4,772.40 = 3,045.50/x
  3. Step 3: Cross multiply
    3,176.72x = 4,772.40 × 3,045.50
  4. Step 4: Simplify right side
    3,176.72x = 14,534,344.20
  5. Step 5: Solve for x
    x = 14,534,344.20/3,176.72
  6. Step 6: Final answer
    x = 4,575.27

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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.