Home / 3,576.74-5,366.61-1,387.01

Finding the Fourth Proportional to 3,576.74, 5,366.61 and 1,387.01

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Solution

The fourth proportional to 3,576.74, 5,366.61 and 1,387.01 is: 2,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.74 : 5,366.61 = 1,387.01 : x
  2. Step 2: Convert to fraction form
    3,576.74/5,366.61 = 1,387.01/x
  3. Step 3: Cross multiply
    3,576.74x = 5,366.61 × 1,387.01
  4. Step 4: Simplify right side
    3,576.74x = 7,443,514.90
  5. Step 5: Solve for x
    x = 7,443,514.90/3,576.74
  6. Step 6: Final answer
    x = 2,081.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.