Home / 4,340.16-5,989.36-2,638.08

Finding the Fourth Proportional to 4,340.16, 5,989.36 and 2,638.08

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Solution

The fourth proportional to 4,340.16, 5,989.36 and 2,638.08 is: 3,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,340.16 : 5,989.36 = 2,638.08 : x
  2. Step 2: Convert to fraction form
    4,340.16/5,989.36 = 2,638.08/x
  3. Step 3: Cross multiply
    4,340.16x = 5,989.36 × 2,638.08
  4. Step 4: Simplify right side
    4,340.16x = 15,800,410.83
  5. Step 5: Solve for x
    x = 15,800,410.83/4,340.16
  6. Step 6: Final answer
    x = 3,640.51

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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.