Home / 3,529.91-4,860.16-2,997.68

Finding the Fourth Proportional to 3,529.91, 4,860.16 and 2,997.68

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Solution

The fourth proportional to 3,529.91, 4,860.16 and 2,997.68 is: 4,127.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.91 : 4,860.16 = 2,997.68 : x
  2. Step 2: Convert to fraction form
    3,529.91/4,860.16 = 2,997.68/x
  3. Step 3: Cross multiply
    3,529.91x = 4,860.16 × 2,997.68
  4. Step 4: Simplify right side
    3,529.91x = 14,569,172.63
  5. Step 5: Solve for x
    x = 14,569,172.63/3,529.91
  6. Step 6: Final answer
    x = 4,127.35

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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.