Home / 3,994.25-5,510.63-2,400.98

Finding the Fourth Proportional to 3,994.25, 5,510.63 and 2,400.98

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Solution

The fourth proportional to 3,994.25, 5,510.63 and 2,400.98 is: 3,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.25 : 5,510.63 = 2,400.98 : x
  2. Step 2: Convert to fraction form
    3,994.25/5,510.63 = 2,400.98/x
  3. Step 3: Cross multiply
    3,994.25x = 5,510.63 × 2,400.98
  4. Step 4: Simplify right side
    3,994.25x = 13,230,890.87
  5. Step 5: Solve for x
    x = 13,230,890.87/3,994.25
  6. Step 6: Final answer
    x = 3,312.49

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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.