Home / 2,576.52-3,555.90-1,581.45

Finding the Fourth Proportional to 2,576.52, 3,555.90 and 1,581.45

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Solution

The fourth proportional to 2,576.52, 3,555.90 and 1,581.45 is: 2,182.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.52 : 3,555.90 = 1,581.45 : x
  2. Step 2: Convert to fraction form
    2,576.52/3,555.90 = 1,581.45/x
  3. Step 3: Cross multiply
    2,576.52x = 3,555.90 × 1,581.45
  4. Step 4: Simplify right side
    2,576.52x = 5,623,478.06
  5. Step 5: Solve for x
    x = 5,623,478.06/2,576.52
  6. Step 6: Final answer
    x = 2,182.59

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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.