Home / 2,606.90-3,598.16-2,186.60

Finding the Fourth Proportional to 2,606.90, 3,598.16 and 2,186.60

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Solution

The fourth proportional to 2,606.90, 3,598.16 and 2,186.60 is: 3,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.90 : 3,598.16 = 2,186.60 : x
  2. Step 2: Convert to fraction form
    2,606.90/3,598.16 = 2,186.60/x
  3. Step 3: Cross multiply
    2,606.90x = 3,598.16 × 2,186.60
  4. Step 4: Simplify right side
    2,606.90x = 7,867,707.73
  5. Step 5: Solve for x
    x = 7,867,707.73/2,606.90
  6. Step 6: Final answer
    x = 3,018.04

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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.