Home / 1,398.24-2,095.62-1,224.49

Finding the Fourth Proportional to 1,398.24, 2,095.62 and 1,224.49

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Solution

The fourth proportional to 1,398.24, 2,095.62 and 1,224.49 is: 1,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398.24 : 2,095.62 = 1,224.49 : x
  2. Step 2: Convert to fraction form
    1,398.24/2,095.62 = 1,224.49/x
  3. Step 3: Cross multiply
    1,398.24x = 2,095.62 × 1,224.49
  4. Step 4: Simplify right side
    1,398.24x = 2,566,065.73
  5. Step 5: Solve for x
    x = 2,566,065.73/1,398.24
  6. Step 6: Final answer
    x = 1,835.21

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1.5x scale

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.