Home / 2,403.45-3,317.08-1,409.12

Finding the Fourth Proportional to 2,403.45, 3,317.08 and 1,409.12

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Solution

The fourth proportional to 2,403.45, 3,317.08 and 1,409.12 is: 1,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.45 : 3,317.08 = 1,409.12 : x
  2. Step 2: Convert to fraction form
    2,403.45/3,317.08 = 1,409.12/x
  3. Step 3: Cross multiply
    2,403.45x = 3,317.08 × 1,409.12
  4. Step 4: Simplify right side
    2,403.45x = 4,674,163.77
  5. Step 5: Solve for x
    x = 4,674,163.77/2,403.45
  6. Step 6: Final answer
    x = 1,944.78

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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.