Home / 3,170.34-4,754.51-1,320.98

Finding the Fourth Proportional to 3,170.34, 4,754.51 and 1,320.98

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Solution

The fourth proportional to 3,170.34, 4,754.51 and 1,320.98 is: 1,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.34 : 4,754.51 = 1,320.98 : x
  2. Step 2: Convert to fraction form
    3,170.34/4,754.51 = 1,320.98/x
  3. Step 3: Cross multiply
    3,170.34x = 4,754.51 × 1,320.98
  4. Step 4: Simplify right side
    3,170.34x = 6,280,582.24
  5. Step 5: Solve for x
    x = 6,280,582.24/3,170.34
  6. Step 6: Final answer
    x = 1,981.04

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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.