Home / 3,437.33-5,156.01-1,245.20

Finding the Fourth Proportional to 3,437.33, 5,156.01 and 1,245.20

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Solution

The fourth proportional to 3,437.33, 5,156.01 and 1,245.20 is: 1,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.33 : 5,156.01 = 1,245.20 : x
  2. Step 2: Convert to fraction form
    3,437.33/5,156.01 = 1,245.20/x
  3. Step 3: Cross multiply
    3,437.33x = 5,156.01 × 1,245.20
  4. Step 4: Simplify right side
    3,437.33x = 6,420,263.65
  5. Step 5: Solve for x
    x = 6,420,263.65/3,437.33
  6. Step 6: Final answer
    x = 1,867.81

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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.