Home / 2,457.68-3,390.82-1,409.56

Finding the Fourth Proportional to 2,457.68, 3,390.82 and 1,409.56

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Solution

The fourth proportional to 2,457.68, 3,390.82 and 1,409.56 is: 1,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.68 : 3,390.82 = 1,409.56 : x
  2. Step 2: Convert to fraction form
    2,457.68/3,390.82 = 1,409.56/x
  3. Step 3: Cross multiply
    2,457.68x = 3,390.82 × 1,409.56
  4. Step 4: Simplify right side
    2,457.68x = 4,779,564.24
  5. Step 5: Solve for x
    x = 4,779,564.24/2,457.68
  6. Step 6: Final answer
    x = 1,944.75

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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.