Home / 2,576.85-3,556.08-1,457.80

Finding the Fourth Proportional to 2,576.85, 3,556.08 and 1,457.80

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Solution

The fourth proportional to 2,576.85, 3,556.08 and 1,457.80 is: 2,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.85 : 3,556.08 = 1,457.80 : x
  2. Step 2: Convert to fraction form
    2,576.85/3,556.08 = 1,457.80/x
  3. Step 3: Cross multiply
    2,576.85x = 3,556.08 × 1,457.80
  4. Step 4: Simplify right side
    2,576.85x = 5,184,053.42
  5. Step 5: Solve for x
    x = 5,184,053.42/2,576.85
  6. Step 6: Final answer
    x = 2,011.78

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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.