Home / 2,617.16-3,610.32-2,120.36

Finding the Fourth Proportional to 2,617.16, 3,610.32 and 2,120.36

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Solution

The fourth proportional to 2,617.16, 3,610.32 and 2,120.36 is: 2,924.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.16 : 3,610.32 = 2,120.36 : x
  2. Step 2: Convert to fraction form
    2,617.16/3,610.32 = 2,120.36/x
  3. Step 3: Cross multiply
    2,617.16x = 3,610.32 × 2,120.36
  4. Step 4: Simplify right side
    2,617.16x = 7,655,178.12
  5. Step 5: Solve for x
    x = 7,655,178.12/2,617.16
  6. Step 6: Final answer
    x = 2,924.99

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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.