Home / 2,409.20-3,324.72-1,347.04

Finding the Fourth Proportional to 2,409.20, 3,324.72 and 1,347.04

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Solution

The fourth proportional to 2,409.20, 3,324.72 and 1,347.04 is: 1,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.20 : 3,324.72 = 1,347.04 : x
  2. Step 2: Convert to fraction form
    2,409.20/3,324.72 = 1,347.04/x
  3. Step 3: Cross multiply
    2,409.20x = 3,324.72 × 1,347.04
  4. Step 4: Simplify right side
    2,409.20x = 4,478,530.83
  5. Step 5: Solve for x
    x = 4,478,530.83/2,409.20
  6. Step 6: Final answer
    x = 1,858.93

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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.