Home / 3,325.47-4,989.96-1,477.92

Finding the Fourth Proportional to 3,325.47, 4,989.96 and 1,477.92

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Solution

The fourth proportional to 3,325.47, 4,989.96 and 1,477.92 is: 2,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.47 : 4,989.96 = 1,477.92 : x
  2. Step 2: Convert to fraction form
    3,325.47/4,989.96 = 1,477.92/x
  3. Step 3: Cross multiply
    3,325.47x = 4,989.96 × 1,477.92
  4. Step 4: Simplify right side
    3,325.47x = 7,374,761.68
  5. Step 5: Solve for x
    x = 7,374,761.68/3,325.47
  6. Step 6: Final answer
    x = 2,217.66

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1.5x scale

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.