Home / 3,665.16-5,499.36-1,717.20

Finding the Fourth Proportional to 3,665.16, 5,499.36 and 1,717.20

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Solution

The fourth proportional to 3,665.16, 5,499.36 and 1,717.20 is: 2,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.16 : 5,499.36 = 1,717.20 : x
  2. Step 2: Convert to fraction form
    3,665.16/5,499.36 = 1,717.20/x
  3. Step 3: Cross multiply
    3,665.16x = 5,499.36 × 1,717.20
  4. Step 4: Simplify right side
    3,665.16x = 9,443,500.99
  5. Step 5: Solve for x
    x = 9,443,500.99/3,665.16
  6. Step 6: Final answer
    x = 2,576.56

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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.