Home / 1,617.15-2,421.27-1,226.00

Finding the Fourth Proportional to 1,617.15, 2,421.27 and 1,226.00

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Solution

The fourth proportional to 1,617.15, 2,421.27 and 1,226.00 is: 1,835.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.15 : 2,421.27 = 1,226.00 : x
  2. Step 2: Convert to fraction form
    1,617.15/2,421.27 = 1,226.00/x
  3. Step 3: Cross multiply
    1,617.15x = 2,421.27 × 1,226.00
  4. Step 4: Simplify right side
    1,617.15x = 2,968,464.91
  5. Step 5: Solve for x
    x = 2,968,464.91/1,617.15
  6. Step 6: Final answer
    x = 1,835.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.