Home / 3,360.07-4,639.04-2,165.59

Finding the Fourth Proportional to 3,360.07, 4,639.04 and 2,165.59

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Solution

The fourth proportional to 3,360.07, 4,639.04 and 2,165.59 is: 2,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.07 : 4,639.04 = 2,165.59 : x
  2. Step 2: Convert to fraction form
    3,360.07/4,639.04 = 2,165.59/x
  3. Step 3: Cross multiply
    3,360.07x = 4,639.04 × 2,165.59
  4. Step 4: Simplify right side
    3,360.07x = 10,046,258.63
  5. Step 5: Solve for x
    x = 10,046,258.63/3,360.07
  6. Step 6: Final answer
    x = 2,989.90

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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.