Home / 4,134.72-5,705.52-2,271.68

Finding the Fourth Proportional to 4,134.72, 5,705.52 and 2,271.68

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Solution

The fourth proportional to 4,134.72, 5,705.52 and 2,271.68 is: 3,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.72 : 5,705.52 = 2,271.68 : x
  2. Step 2: Convert to fraction form
    4,134.72/5,705.52 = 2,271.68/x
  3. Step 3: Cross multiply
    4,134.72x = 5,705.52 × 2,271.68
  4. Step 4: Simplify right side
    4,134.72x = 12,961,115.67
  5. Step 5: Solve for x
    x = 12,961,115.67/4,134.72
  6. Step 6: Final answer
    x = 3,134.70

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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.