Home / 3,437.39-5,155.85-1,357.01

Finding the Fourth Proportional to 3,437.39, 5,155.85 and 1,357.01

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Solution

The fourth proportional to 3,437.39, 5,155.85 and 1,357.01 is: 2,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.39 : 5,155.85 = 1,357.01 : x
  2. Step 2: Convert to fraction form
    3,437.39/5,155.85 = 1,357.01/x
  3. Step 3: Cross multiply
    3,437.39x = 5,155.85 × 1,357.01
  4. Step 4: Simplify right side
    3,437.39x = 6,996,507.44
  5. Step 5: Solve for x
    x = 6,996,507.44/3,437.39
  6. Step 6: Final answer
    x = 2,035.42

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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.