Home / 2,576.70-3,555.99-1,457.22

Finding the Fourth Proportional to 2,576.70, 3,555.99 and 1,457.22

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Solution

The fourth proportional to 2,576.70, 3,555.99 and 1,457.22 is: 2,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.70 : 3,555.99 = 1,457.22 : x
  2. Step 2: Convert to fraction form
    2,576.70/3,555.99 = 1,457.22/x
  3. Step 3: Cross multiply
    2,576.70x = 3,555.99 × 1,457.22
  4. Step 4: Simplify right side
    2,576.70x = 5,181,859.75
  5. Step 5: Solve for x
    x = 5,181,859.75/2,576.70
  6. Step 6: Final answer
    x = 2,011.05

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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.