Home / 2,409.17-3,323.67-1,623.47

Finding the Fourth Proportional to 2,409.17, 3,323.67 and 1,623.47

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Solution

The fourth proportional to 2,409.17, 3,323.67 and 1,623.47 is: 2,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.17 : 3,323.67 = 1,623.47 : x
  2. Step 2: Convert to fraction form
    2,409.17/3,323.67 = 1,623.47/x
  3. Step 3: Cross multiply
    2,409.17x = 3,323.67 × 1,623.47
  4. Step 4: Simplify right side
    2,409.17x = 5,395,878.53
  5. Step 5: Solve for x
    x = 5,395,878.53/2,409.17
  6. Step 6: Final answer
    x = 2,239.73

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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.