Home / 2,457.20-3,391.32-1,760.88

Finding the Fourth Proportional to 2,457.20, 3,391.32 and 1,760.88

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Solution

The fourth proportional to 2,457.20, 3,391.32 and 1,760.88 is: 2,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.20 : 3,391.32 = 1,760.88 : x
  2. Step 2: Convert to fraction form
    2,457.20/3,391.32 = 1,760.88/x
  3. Step 3: Cross multiply
    2,457.20x = 3,391.32 × 1,760.88
  4. Step 4: Simplify right side
    2,457.20x = 5,971,707.56
  5. Step 5: Solve for x
    x = 5,971,707.56/2,457.20
  6. Step 6: Final answer
    x = 2,430.29

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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.