Home / 3,360.45-4,639.49-2,165.86

Finding the Fourth Proportional to 3,360.45, 4,639.49 and 2,165.86

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Solution

The fourth proportional to 3,360.45, 4,639.49 and 2,165.86 is: 2,990.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.45 : 4,639.49 = 2,165.86 : x
  2. Step 2: Convert to fraction form
    3,360.45/4,639.49 = 2,165.86/x
  3. Step 3: Cross multiply
    3,360.45x = 4,639.49 × 2,165.86
  4. Step 4: Simplify right side
    3,360.45x = 10,048,462.61
  5. Step 5: Solve for x
    x = 10,048,462.61/3,360.45
  6. Step 6: Final answer
    x = 2,990.22

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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.