Home / 2,457.46-3,391.09-1,409.30

Finding the Fourth Proportional to 2,457.46, 3,391.09 and 1,409.30

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Solution

The fourth proportional to 2,457.46, 3,391.09 and 1,409.30 is: 1,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.46 : 3,391.09 = 1,409.30 : x
  2. Step 2: Convert to fraction form
    2,457.46/3,391.09 = 1,409.30/x
  3. Step 3: Cross multiply
    2,457.46x = 3,391.09 × 1,409.30
  4. Step 4: Simplify right side
    2,457.46x = 4,779,063.14
  5. Step 5: Solve for x
    x = 4,779,063.14/2,457.46
  6. Step 6: Final answer
    x = 1,944.72

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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.