Home / 4,152.74-5,731.18-3,102.98

Finding the Fourth Proportional to 4,152.74, 5,731.18 and 3,102.98

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Solution

The fourth proportional to 4,152.74, 5,731.18 and 3,102.98 is: 4,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.74 : 5,731.18 = 3,102.98 : x
  2. Step 2: Convert to fraction form
    4,152.74/5,731.18 = 3,102.98/x
  3. Step 3: Cross multiply
    4,152.74x = 5,731.18 × 3,102.98
  4. Step 4: Simplify right side
    4,152.74x = 17,783,700.50
  5. Step 5: Solve for x
    x = 17,783,700.50/4,152.74
  6. Step 6: Final answer
    x = 4,282.41

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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.