Home / 2,403.13-3,316.31-1,299.13

Finding the Fourth Proportional to 2,403.13, 3,316.31 and 1,299.13

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Solution

The fourth proportional to 2,403.13, 3,316.31 and 1,299.13 is: 1,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.13 : 3,316.31 = 1,299.13 : x
  2. Step 2: Convert to fraction form
    2,403.13/3,316.31 = 1,299.13/x
  3. Step 3: Cross multiply
    2,403.13x = 3,316.31 × 1,299.13
  4. Step 4: Simplify right side
    2,403.13x = 4,308,317.81
  5. Step 5: Solve for x
    x = 4,308,317.81/2,403.13
  6. Step 6: Final answer
    x = 1,792.79

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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.