Home / 2,403.91-3,316.64-1,409.35

Finding the Fourth Proportional to 2,403.91, 3,316.64 and 1,409.35

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Solution

The fourth proportional to 2,403.91, 3,316.64 and 1,409.35 is: 1,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.91 : 3,316.64 = 1,409.35 : x
  2. Step 2: Convert to fraction form
    2,403.91/3,316.64 = 1,409.35/x
  3. Step 3: Cross multiply
    2,403.91x = 3,316.64 × 1,409.35
  4. Step 4: Simplify right side
    2,403.91x = 4,674,299.54
  5. Step 5: Solve for x
    x = 4,674,299.54/2,403.91
  6. Step 6: Final answer
    x = 1,944.46

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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.