Home / 2,345.56-3,499.20-2,161.03

Finding the Fourth Proportional to 2,345.56, 3,499.20 and 2,161.03

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Solution

The fourth proportional to 2,345.56, 3,499.20 and 2,161.03 is: 3,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.56 : 3,499.20 = 2,161.03 : x
  2. Step 2: Convert to fraction form
    2,345.56/3,499.20 = 2,161.03/x
  3. Step 3: Cross multiply
    2,345.56x = 3,499.20 × 2,161.03
  4. Step 4: Simplify right side
    2,345.56x = 7,561,873.99
  5. Step 5: Solve for x
    x = 7,561,873.99/2,345.56
  6. Step 6: Final answer
    x = 3,223.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.