Home / 3,437.21-5,155.54-1,216.26

Finding the Fourth Proportional to 3,437.21, 5,155.54 and 1,216.26

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Solution

The fourth proportional to 3,437.21, 5,155.54 and 1,216.26 is: 1,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.21 : 5,155.54 = 1,216.26 : x
  2. Step 2: Convert to fraction form
    3,437.21/5,155.54 = 1,216.26/x
  3. Step 3: Cross multiply
    3,437.21x = 5,155.54 × 1,216.26
  4. Step 4: Simplify right side
    3,437.21x = 6,270,477.08
  5. Step 5: Solve for x
    x = 6,270,477.08/3,437.21
  6. Step 6: Final answer
    x = 1,824.30

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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.